fix(deps): update dependency flask to v3

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
Flask (changelog)	2.3.3 -> 3.0.3

Review

• Updates have been tested and work
• If updates are AWS related, versions match the infrastructure (e.g. Lambda runtime, database, etc.)

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Release Notes

pallets/flask (Flask)

v3.0.3

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This is a fix release for the 3.0.x feature branch.

PyPI: https://pypi.org/project/Flask/3.0.3/
Changes: https://flask.palletsprojects.com/en/3.0.x/changes/#version-3-0-3
Milestone: https://github.com/pallets/flask/milestone/35?closed=1

• The default hashlib.sha1 may not be available in FIPS builds. Don't access it at import time so the developer has time to change the default. #​5448
• Don't initialize the cli attribute in the sansio scaffold, but rather in the Flask concrete class. #​5270

v3.0.2

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Released 2024-02-03

• Correct type for jinja_loader property. :issue:5388
• Fix error with --extra-files and --exclude-patterns CLI options.
  :issue:5391

v3.0.1

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Released 2024-01-18

• Correct type for path argument to send_file. :issue:5230
• Fix a typo in an error message for the flask run --key option. :pr:5344
• Session data is untagged without relying on the built-in json.loads
object_hook. This allows other JSON providers that don't implement that.
  :issue:5381
• Address more type findings when using mypy strict mode. :pr:5383

v3.0.0

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Released 2023-09-30

• Remove previously deprecated code. :pr:5223
• Deprecate the __version__ attribute. Use feature detection, or
  importlib.metadata.version("flask"), instead. :issue:5230
• Restructure the code such that the Flask (app) and Blueprint
  classes have Sans-IO bases. :pr:5127
• Allow self as an argument to url_for. :pr:5264
• Require Werkzeug >= 3.0.0.

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[renovate]

⚠ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: poetry.lock

Updating dependencies
Resolving dependencies...


Because notifications-utils (52.2.2) @ git+https://github.com/cds-snc/notifier-utils.git@52.2.2 depends on both Flask (2.3.3) and Flask (2.3.3), flask is required.
So, because notification-admin depends on Flask (3.0.3), version solving failed.

[renovate]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: poetry.lock

Updating dependencies
Resolving dependencies...


Because notifications-utils (52.2.4) @ git+https://github.com/cds-snc/notifier-utils.git@52.2.4 depends on both Flask (2.3.3) and Flask (2.3.3), flask is required.
So, because notification-admin depends on Flask (3.0.3), version solving failed.