Update strip-indent to the latest version 🚀 (#46)

## The dependency [strip-indent](https://github.com/sindresorhus/strip-indent) was updated from `2.0.0` to `3.0.0`.
This version is **not covered** by your **current version range**.

If you don’t accept this pull request, your project will work just like it did before. However, you might be missing out on a bunch of new features, fixes and/or performance improvements from the dependency update.

---

<details>
<summary>Release Notes for v3.0.0</summary>

<p>Breaking:</p>
<ul>
<li>Require Node.js 8 (<a class="issue-link js-issue-link" data-error-text="Failed to load issue title" data-id="433933703" data-permission-text="Issue title is private" data-url="sindresorhus/strip-indent#6" data-hovercard-type="pull_request" data-hovercard-url="/sindresorhus/strip-indent/pull/6/hovercard" href="https://urls.greenkeeper.io/sindresorhus/strip-indent/pull/6">#6</a>)  <a class="commit-link" data-hovercard-type="commit" data-hovercard-url="https://github.com/sindresorhus/strip-indent/commit/578f3a7bcc87c722594730e8d469d4412090cbda/hovercard" href="https://urls.greenkeeper.io/sindresorhus/strip-indent/commit/578f3a7bcc87c722594730e8d469d4412090cbda"><tt>578f3a7</tt></a></li>
</ul>
<p>Enhancements:</p>
<ul>
<li>Add TypeScript definition (<a class="issue-link js-issue-link" data-error-text="Failed to load issue title" data-id="433933703" data-permission-text="Issue title is private" data-url="sindresorhus/strip-indent#6" data-hovercard-type="pull_request" data-hovercard-url="/sindresorhus/strip-indent/pull/6/hovercard" href="https://urls.greenkeeper.io/sindresorhus/strip-indent/pull/6">#6</a>)  <a class="commit-link" data-hovercard-type="commit" data-hovercard-url="https://github.com/sindresorhus/strip-indent/commit/578f3a7bcc87c722594730e8d469d4412090cbda/hovercard" href="https://urls.greenkeeper.io/sindresorhus/strip-indent/commit/578f3a7bcc87c722594730e8d469d4412090cbda"><tt>578f3a7</tt></a></li>
</ul>
<p><a class="commit-link" href="https://urls.greenkeeper.io/sindresorhus/strip-indent/compare/v2.0.0...v3.0.0"><tt>v2.0.0...v3.0.0</tt></a></p>
</details>

<details>
<summary>Commits</summary>
<p>The new version differs by 8 commits.</p>
<ul>
<li><a href="https://urls.greenkeeper.io/sindresorhus/strip-indent/commit/b537c94fd8376e4205146fbbef0bc08a477c5eab"><code>b537c94</code></a> <code>3.0.0</code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/strip-indent/commit/575ba7dde434627a3647a36e670d69c38cbdefb6"><code>575ba7d</code></a> <code>Meta tweaks</code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/strip-indent/commit/578f3a7bcc87c722594730e8d469d4412090cbda"><code>578f3a7</code></a> <code>Require Node.js 8, add TypeScript definition (#6)</code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/strip-indent/commit/767c46536bb2606a89f81d8ed4d0afbf1e9839b7"><code>767c465</code></a> <code>Meta tweaks</code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/strip-indent/commit/089df03598849be53568d01dc92e530adf02f051"><code>089df03</code></a> <code>Use min-indent (#4)</code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/strip-indent/commit/dbeb23243094331b847d3c296a4915ff0b05f3b6"><code>dbeb232</code></a> <code>Meta tweaks</code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/strip-indent/commit/c9032dbd9820257d4c217204245530c4d9e58818"><code>c9032db</code></a> <code>Use variable <code>str</code> in readme example (#2)</code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/strip-indent/commit/7c2f0e09ef4751c8bf2dc05d6ecb3c6df93689a3"><code>7c2f0e0</code></a> <code>Update .travis.yml</code></li>
</ul>
<p>See the <a href="https://urls.greenkeeper.io/sindresorhus/strip-indent/compare/459f98737dd57252ea63268c4686b939d40579ae...b537c94fd8376e4205146fbbef0bc08a477c5eab">full diff</a></p>
</details>

<details>
  <summary>FAQ and help</summary>

  There is a collection of [frequently asked questions](https://greenkeeper.io/faq.html). If those don’t help, you can always [ask the humans behind Greenkeeper](https://github.com/greenkeeperio/greenkeeper/issues/new).
</details>

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package.json

@@ -38,7 +38,7 @@
     "prop-types": "^15.6.2",
     "react-markdown": "^4.0.3",
     "recompose": "^0.30.0",
-    "strip-indent": "^2.0.0"
+    "strip-indent": "^3.0.0"
   },
   "peerDependencies": {
     "react": ">= 16.3.0",