Update globby to the latest version 🚀 (#129)

## The dependency [globby](https://github.com/sindresorhus/globby) was updated from `8.0.2` to `9.1.0`.
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 v9.1.0</summary>

<ul>
<li>Add TypeScript definition (<a class="issue-link js-issue-link" data-error-text="Failed to load issue title" data-id="416512295" data-permission-text="Issue title is private" data-url="sindresorhus/globby#111" data-hovercard-type="pull_request" data-hovercard-url="/sindresorhus/globby/pull/111/hovercard" href="https://urls.greenkeeper.io/sindresorhus/globby/pull/111">#111</a>)  <a class="commit-link" data-hovercard-type="commit" data-hovercard-url="https://github.com/sindresorhus/globby/commit/9a9cf1e53f3033f465d682487c3e23bd61696c37/hovercard" href="https://urls.greenkeeper.io/sindresorhus/globby/commit/9a9cf1e53f3033f465d682487c3e23bd61696c37"><tt>9a9cf1e</tt></a></li>
<li>Add check to ensure <code>cwd</code> is a directory (<a class="issue-link js-issue-link" data-error-text="Failed to load issue title" data-id="414218230" data-permission-text="Issue title is private" data-url="sindresorhus/globby#110" data-hovercard-type="pull_request" data-hovercard-url="/sindresorhus/globby/pull/110/hovercard" href="https://urls.greenkeeper.io/sindresorhus/globby/pull/110">#110</a>)  <a class="commit-link" data-hovercard-type="commit" data-hovercard-url="https://github.com/sindresorhus/globby/commit/59f4b48e92445d530bbf43a39842314b3dd6e42e/hovercard" href="https://urls.greenkeeper.io/sindresorhus/globby/commit/59f4b48e92445d530bbf43a39842314b3dd6e42e"><tt>59f4b48</tt></a></li>
<li>Deduplicate identical file patterns (<a class="issue-link js-issue-link" data-error-text="Failed to load issue title" data-id="398284025" data-permission-text="Issue title is private" data-url="sindresorhus/globby#102" data-hovercard-type="pull_request" data-hovercard-url="/sindresorhus/globby/pull/102/hovercard" href="https://urls.greenkeeper.io/sindresorhus/globby/pull/102">#102</a>)  <a class="commit-link" data-hovercard-type="commit" data-hovercard-url="https://github.com/sindresorhus/globby/commit/22946186ff2f0f89893382d6e13d7a6215231dc0/hovercard" href="https://urls.greenkeeper.io/sindresorhus/globby/commit/22946186ff2f0f89893382d6e13d7a6215231dc0"><tt>2294618</tt></a></li>
</ul>
<p><a class="commit-link" href="https://urls.greenkeeper.io/sindresorhus/globby/compare/v9.0.0...v9.1.0"><tt>v9.0.0...v9.1.0</tt></a></p>
</details>

<details>
<summary>Commits</summary>
<p>The new version differs by 19 commits ahead by 19, behind by 2.</p>
<ul>
<li><a href="https://urls.greenkeeper.io/sindresorhus/globby/commit/89cee24d7dd225279549f59023f905a9062c96b5"><code>89cee24</code></a> <code>9.1.0</code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/globby/commit/59f4b48e92445d530bbf43a39842314b3dd6e42e"><code>59f4b48</code></a> <code>Add check to ensure <code>cwd</code> is a directory (#110)</code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/globby/commit/9a9cf1e53f3033f465d682487c3e23bd61696c37"><code>9a9cf1e</code></a> <code>Add TypeScript definition (#111)</code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/globby/commit/eb26c7e906ef30f2981dfa6c437cd6e13650dfda"><code>eb26c7e</code></a> <code>Meta tweaks</code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/globby/commit/d77a623a5d397260d952c84830c0240955ece808"><code>d77a623</code></a> <code>Add failing test for #105 (#108)</code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/globby/commit/22946186ff2f0f89893382d6e13d7a6215231dc0"><code>2294618</code></a> <code>Deduplicate identical file patterns (#102)</code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/globby/commit/ba9c267a2a0f85b440138f539def02f0c0220929"><code>ba9c267</code></a> <code>Add failing test for #97 (#100)</code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/globby/commit/71b9c58f86b4625b58ae241360016f4418dac288"><code>71b9c58</code></a> <code>9.0.0</code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/globby/commit/39ad0d9a72794a74c777a2656fa5edef70e1170d"><code>39ad0d9</code></a> <code>Update dependencies</code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/globby/commit/d80422881de179c23726bbddd02c0402a797186b"><code>d804228</code></a> <code>Fix compatibility with latest <code>dir-glob</code> release (#99)</code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/globby/commit/7f9f31b663dfe84769a4f42dd26bd315cac92169"><code>7f9f31b</code></a> <code>Fix Travis badge (#95)</code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/globby/commit/94cef2f69bc58a9becb592f00b7b676155cdc0bb"><code>94cef2f</code></a> <code>CI updates (#96)</code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/globby/commit/c1c744dd7848d15ea277db6b75cec7a1e4d7576e"><code>c1c744d</code></a> <code>Rename the <code>opts</code> property returned from <code>.generateGlobTasks</code> to <code>options</code></code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/globby/commit/8815ee8ca3cd1a05e52a2a0c0cc15918aa63bce9"><code>8815ee8</code></a> <code>Require Node.js 6 and upgrade dependencies</code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/globby/commit/84632f11de790c5b6abeb7aa0bdd35c77126dcfc"><code>84632f1</code></a> <code>Fix <code>expandDirectories</code> and <code>ignores</code> option working together (#88)</code></li>
</ul>
<p>There are 19 commits in total.</p>
<p>See the <a href="https://urls.greenkeeper.io/sindresorhus/globby/compare/946fcea913beb06817d91d8ffb5b4dfe09719a1c...89cee24d7dd225279549f59023f905a9062c96b5">full diff</a></p>
</details>

<details>
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  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).
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