Bump flask from 2.0.2 to 2.1.2 (#16)

[//]: # (dependabot-start)
⚠️  **Dependabot is rebasing this PR** ⚠️ 

Rebasing might not happen immediately, so don't worry if this takes some time.

Note: if you make any changes to this PR yourself, they will take precedence over the rebase.

---

[//]: # (dependabot-end)

Bumps [flask](https://github.com/pallets/flask) from 2.0.2 to 2.1.2.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/pallets/flask/releases">flask's releases</a>.</em></p>
<blockquote>
<h2>2.1.2</h2>
<p>This is a fix release for the <a href="https://github.com/pallets/flask/releases/tag/2.1.0">2.1.0</a> feature release.</p>
<ul>
<li>Changes: <a href="https://flask.palletsprojects.com/en/2.1.x/changes/#version-2-1-2">https://flask.palletsprojects.com/en/2.1.x/changes/#version-2-1-2</a></li>
<li>Milestone: <a href="https://github.com/pallets/flask/milestone/21?closed=1">https://github.com/pallets/flask/milestone/21?closed=1</a></li>
</ul>
<h2>2.1.1</h2>
<p>This is a fix release for the <a href="https://github.com/pallets/flask/releases/tag/2.1.0">2.1.0</a> feature release.</p>
<ul>
<li>Changes: <a href="https://flask.palletsprojects.com/en/2.1.x/changes/#version-2-1-1">https://flask.palletsprojects.com/en/2.1.x/changes/#version-2-1-1</a></li>
<li>Milestone: <a href="https://github.com/pallets/flask/milestone/18?closed=1">https://github.com/pallets/flask/milestone/18?closed=1</a></li>
</ul>
<h2>2.1.0</h2>
<p>This is a feature release, which includes new features and removes previously deprecated features. The 2.1.x branch is now the supported bugfix branch, the 2.0.x branch will become a tag marking the end of support for that branch. We encourage everyone to upgrade, and to use a tool such as <a href="https://pypi.org/project/pip-tools/">pip-tools</a> to pin all dependencies and control upgrades.</p>
<ul>
<li>Changes: <a href="https://flask.palletsprojects.com/en/2.1.x/changes/#version-2-1-0">https://flask.palletsprojects.com/en/2.1.x/changes/#version-2-1-0</a></li>
<li>Milestone: <a href="https://github.com/pallets/flask/milestone/13?closed=1">https://github.com/pallets/flask/milestone/13?closed=1</a></li>
</ul>
<p>We also encourage upgrading to the latest versions of the other Pallets projects as well.</p>
<ul>
<li>Werkzeug 2.1 changes: <a href="https://werkzeug.palletsprojects.com/en/2.1.x/changes/#version-2-1-0">https://werkzeug.palletsprojects.com/en/2.1.x/changes/#version-2-1-0</a></li>
<li>Jinja 3.1 changes: <a href="https://jinja.palletsprojects.com/en/3.1.x/changes/#version-3-1-1">https://jinja.palletsprojects.com/en/3.1.x/changes/#version-3-1-1</a></li>
<li>Click 8.1 changes: <a href="https://click.palletsprojects.com/en/8.1.x/changes/#version-8-1-0">https://click.palletsprojects.com/en/8.1.x/changes/#version-8-1-0</a></li>
<li>MarkupSafe 2.1 changes: <a href="https://markupsafe.palletsprojects.com/en/2.1.x/changes/#version-2-1-1">https://markupsafe.palletsprojects.com/en/2.1.x/changes/#version-2-1-1</a></li>
<li>ItsDangerous 2.1 changes: <a href="https://itsdangerous.palletsprojects.com/en/2.1.x/changes/#version-2-1-2">https://itsdangerous.palletsprojects.com/en/2.1.x/changes/#version-2-1-2</a></li>
</ul>
<h2>2.0.3</h2>
<ul>
<li>Changes: <a href="https://flask.palletsprojects.com/en/2.0.x/changes/#version-2-0-3">https://flask.palletsprojects.com/en/2.0.x/changes/#version-2-0-3</a></li>
<li>Milestone: <a href="https://github.com/pallets/flask/milestone/17?closed=1">https://github.com/pallets/flask/milestone/17?closed=1</a></li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/pallets/flask/blob/main/CHANGES.rst">flask's changelog</a>.</em></p>
<blockquote>
<h2>Version 2.1.2</h2>
<p>Released 2022-04-28</p>
<ul>
<li>Fix type annotation for <code>json.loads</code>, it accepts str or bytes.
:issue:<code>4519</code></li>
<li>The <code>--cert</code> and <code>--key</code> options on <code>flask run</code> can be given
in either order. :issue:<code>4459</code></li>
</ul>
<h2>Version 2.1.1</h2>
<p>Released on 2022-03-30</p>
<ul>
<li>Set the minimum required version of importlib_metadata to 3.6.0,
which is required on Python &lt; 3.10. :issue:<code>4502</code></li>
</ul>
<h2>Version 2.1.0</h2>
<p>Released 2022-03-28</p>
<ul>
<li>
<p>Drop support for Python 3.6. :pr:<code>4335</code></p>
</li>
<li>
<p>Update Click dependency to &gt;= 8.0. :pr:<code>4008</code></p>
</li>
<li>
<p>Remove previously deprecated code. :pr:<code>4337</code></p>
<ul>
<li>The CLI does not pass <code>script_info</code> to app factory functions.</li>
<li><code>config.from_json</code> is replaced by
<code>config.from_file(name, load=json.load)</code>.</li>
<li><code>json</code> functions no longer take an <code>encoding</code> parameter.</li>
<li><code>safe_join</code> is removed, use <code>werkzeug.utils.safe_join</code>
instead.</li>
<li><code>total_seconds</code> is removed, use <code>timedelta.total_seconds</code>
instead.</li>
<li>The same blueprint cannot be registered with the same name. Use
<code>name=</code> when registering to specify a unique name.</li>
<li>The test client's <code>as_tuple</code> parameter is removed. Use
<code>response.request.environ</code> instead. :pr:<code>4417</code></li>
</ul>
</li>
<li>
<p>Some parameters in <code>send_file</code> and <code>send_from_directory</code> were
renamed in 2.0. The deprecation period for the old names is extended
to 2.2. Be sure to test with deprecation warnings visible.</p>
<ul>
<li><code>attachment_filename</code> is renamed to <code>download_name</code>.</li>
<li><code>cache_timeout</code> is renamed to <code>max_age</code>.</li>
<li><code>add_etags</code> is renamed to <code>etag</code>.</li>
<li><code>filename</code> is renamed to <code>path</code>.</li>
</ul>
</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/pallets/flask/commit/50374e3cfe815acd24fd390c861561a0dd17bfbb"><code>50374e3</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/pallets/flask/issues/4558">#4558</a> from pallets/release-2.1.2</li>
<li><a href="https://github.com/pallets/flask/commit/7b28a9057d6925ae408ef73a9f28e9906d9300b3"><code>7b28a90</code></a> release version 2.1.2</li>
<li><a href="https://github.com/pallets/flask/commit/a0bb10b8d299c446559b6f95dd599230edc457ac"><code>a0bb10b</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/pallets/flask/issues/4555">#4555</a> from pallets/pytest_raises_cleanup</li>
<li><a href="https://github.com/pallets/flask/commit/ef6c2b9e4aee74098a1208b42ce432d7c82fc0d3"><code>ef6c2b9</code></a> clean up pytest.raises tests</li>
<li><a href="https://github.com/pallets/flask/commit/ef7d01f0a03be512b22d2a28b5a4229fdc87ea9a"><code>ef7d01f</code></a> update requirements</li>
<li><a href="https://github.com/pallets/flask/commit/ff6290d4c75d4d295a0ba28f2f0c417f7374eb0c"><code>ff6290d</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/pallets/flask/issues/4551">#4551</a> from bbayles/patch-1</li>
<li><a href="https://github.com/pallets/flask/commit/3fd24c1f6fa2b3a5b68fb87b0fc3453a352340e5"><code>3fd24c1</code></a> Fix copy/paste error in wsgi-standalone.rst</li>
<li><a href="https://github.com/pallets/flask/commit/c395b13f9e9a691c6b23c68d5687ff052b7ada7e"><code>c395b13</code></a> update requirements</li>
<li><a href="https://github.com/pallets/flask/commit/2ec11930951d91dfa9cf02ad80a7da33b9b919b6"><code>2ec1193</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/pallets/flask/issues/4544">#4544</a> from bebleo/mark_run_cert_option_eager</li>
<li><a href="https://github.com/pallets/flask/commit/5050a18a0057df4cda6f6b00483d12d29cb59239"><code>5050a18</code></a> evaluate --cert before --key</li>
<li>Additional commits viewable in <a href="https://github.com/pallets/flask/compare/2.0.2...2.1.2">compare view</a></li>
</ul>
</details>
<br />


[![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=flask&package-manager=pip&previous-version=2.0.2&new-version=2.1.2)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`.

[//]: # (dependabot-automerge-start)
[//]: # (dependabot-automerge-end)

---

<details>
<summary>Dependabot commands and options</summary>
<br />

You can trigger Dependabot actions by commenting on this PR:
- `@dependabot rebase` will rebase this PR
- `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it
- `@dependabot merge` will merge this PR after your CI passes on it
- `@dependabot squash and merge` will squash and merge this PR after your CI passes on it
- `@dependabot cancel merge` will cancel a previously requested merge and block automerging
- `@dependabot reopen` will reopen this PR if it is closed
- `@dependabot close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
- `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
- `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
- `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)


</details>

requirements/dev.txt

@@ -34,7 +34,7 @@ filelock==3.4.2
     # via
     #   tox
     #   virtualenv
-flask==2.0.2
+flask==2.1.2
     # via -r requirements/requirements.in
 greenlet==1.1.2 ; python_version < "3.11"
     # via -r requirements/tests.in

requirements/requirements.txt

@@ -6,8 +6,8 @@
 #
 click==8.0.3
     # via flask
-flask==2.0.2
-    # via -r requirements.in
+flask==2.1.2
+    # via -r requirements/requirements.in
 itsdangerous==2.0.1
     # via flask
 jinja2==3.0.3