Update p-props to the latest version 🚀 (#298)

## The dependency [p-props](https://github.com/sindresorhus/p-props) was updated from `1.2.0` to `2.0.0`.
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 v2.0.0</summary>

<p>Breaking:</p>
<ul>
<li>Require Node.js 8</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="419249247" data-permission-text="Issue title is private" data-url="sindresorhus/p-props#9" data-hovercard-type="pull_request" data-hovercard-url="/sindresorhus/p-props/pull/9/hovercard" href="https://urls.greenkeeper.io/sindresorhus/p-props/pull/9">#9</a>)  <a class="commit-link" data-hovercard-type="commit" data-hovercard-url="https://github.com/sindresorhus/p-props/commit/f6071ee74e3d2b5a254a816e86ab59e0aba3af2f/hovercard" href="https://urls.greenkeeper.io/sindresorhus/p-props/commit/f6071ee74e3d2b5a254a816e86ab59e0aba3af2f"><tt>f6071ee</tt></a></li>
</ul>
<p><a class="commit-link" href="https://urls.greenkeeper.io/sindresorhus/p-props/compare/v1.2.0...v2.0.0"><tt>v1.2.0...v2.0.0</tt></a></p>
</details>

<details>
<summary>Commits</summary>
<p>The new version differs by 4 commits.</p>
<ul>
<li><a href="https://urls.greenkeeper.io/sindresorhus/p-props/commit/2cd268b5214c51d1f567abc17cce64e535872280"><code>2cd268b</code></a> <code>2.0.0</code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/p-props/commit/eb0cee183c733cd00ab5f7aec68e400ca166708c"><code>eb0cee1</code></a> <code>Meta tweaks</code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/p-props/commit/f6071ee74e3d2b5a254a816e86ab59e0aba3af2f"><code>f6071ee</code></a> <code>Require Node.js 8, add TypeScript definition, refactor to async-await (#9)</code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/p-props/commit/00ba4d392947decfe9060b6978a7564fc577eb3f"><code>00ba4d3</code></a> <code>Drop support for Node.js 4 - fixes #1 (#7)</code></li>
</ul>
<p>See the <a href="https://urls.greenkeeper.io/sindresorhus/p-props/compare/15370888fbc458b904be3204e8eaac02d8adcc10...2cd268b5214c51d1f567abc17cce64e535872280">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 @@
     "ms": "^2.0.0",
     "node-fetch": "^2.2.0",
     "nodemailer": "^5.0.0",
-    "p-props": "^1.1.0",
+    "p-props": "^2.0.0",
     "passport": "^0.4.0",
     "passport-google-oauth20": "^1.0.0",
     "passport-local": "^1.0.0",