Summary:
## The dependency [yargs](https://github.com/yargs/yargs) was updated from `14.2.1` to `15.0.1`.
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.
---
**Publisher:** [bcoe](https://www.npmjs.com/~bcoe)
**License:** MIT
<details>
<summary>Release Notes for yargs v15.0.1</summary>
<h3>Bug Fixes</h3>
<ul>
<li><strong>deps:</strong> cliui, find-up, and string-width, all drop Node 6 support (<a href="https://www.github.com/yargs/yargs/issues/1479">#1479</a>) (<a href="6a9ebe2d95">6a9ebe2</a>)</li>
</ul>
</details>
<details>
<summary>Commits</summary>
<p>The new version differs by 22 commits ahead by 22, behind by 2.</p>
<ul>
<li><a href="aa09faf708"><code>aa09faf</code></a> <code>chore: release 15.0.1 (#1480)</code></li>
<li><a href="6a9ebe2d95"><code>6a9ebe2</code></a> <code>fix(deps): cliui, find-up, and string-width, all drop Node 6 support (#1479)</code></li>
<li><a href="5cc2b5e15b"><code>5cc2b5e</code></a> <code>chore: release 15.0.0 (#1462)</code></li>
<li><a href="62a114a90a"><code>62a114a</code></a> <code>force build</code></li>
<li><a href="1840ba22f1"><code>1840ba2</code></a> <code>feat: expose <code>Parser</code> from <code>require('yargs/yargs')</code> (#1477)</code></li>
<li><a href="afd5b4871b"><code>afd5b48</code></a> <code>fix(docs): update boolean description and examples in docs (#1474)</code></li>
<li><a href="c10c38cca0"><code>c10c38c</code></a> <code>feat(deps)!: yargs-parser now throws on invalid combinations of config (#1470)</code></li>
<li><a href="0cba424d8b"><code>0cba424</code></a> <code>build: switch to release-please for releases (#1471)</code></li>
<li><a href="445bc587d8"><code>445bc58</code></a> <code>chore: update engines to note Node 6 is dropped (#1469)</code></li>
<li><a href="52d875a46d"><code>52d875a</code></a> <code>test: add additional test for 1459</code></li>
<li><a href="12c82e6266"><code>12c82e6</code></a> <code>fix: stop-parse was not being respected by commands (#1459)</code></li>
<li><a href="b4812ac99a"><code>b4812ac</code></a> <code>test: add tests for argsert warning to display positional information (#1468)</code></li>
<li><a href="10f10ee189"><code>10f10ee</code></a> <code>test: cover missing filter arg in obj-filter (#1467)</code></li>
<li><a href="cb0396fda2"><code>cb0396f</code></a> <code>build: switch to c8 for coverage (#1464)</code></li>
<li><a href="ebee59d902"><code>ebee59d</code></a> <code>fix!: update to yargs-parser with fix for array default values (#1463)</code></li>
</ul>
<p>There are 22 commits in total.</p>
<p>See the <a href="2fe88f5e22...aa09faf708">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>
---
Your [Greenkeeper](https://greenkeeper.io) bot 🌴
Pull Request resolved: https://github.com/facebook/flipper/pull/643
Reviewed By: cekkaewnumchai
Differential Revision: D18595724
Pulled By: passy
fbshipit-source-id: d2d1352d27e3059334ba71bfaa02929ef22e6861
8c5ae0e962
