Update commitizen to the latest version 🚀 (#247)

## The devDependency [commitizen](https://github.com/commitizen/cz-cli) was updated from `2.10.1` 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>&lt;a name"3.0.0"&gt;</p>
<h2>3.0.0 (2018-10-01)</h2>
<h4>Bug Fixes</h4>
<ul>
<li>resolve linux build issues, add git exit code 128 warning (<a href="https://urls.greenkeeper.io/commitizen/cz-cli/commit/c3764c8c">c3764c8c</a>)</li>
<li><strong>deps:</strong>
<ul>
<li>update dependency glob to v7.1.2 (<a class="issue-link js-issue-link" data-error-text="Failed to load issue title" data-id="326327664" data-permission-text="Issue title is private" data-url="commitizen/cz-cli#506" href="https://urls.greenkeeper.io/commitizen/cz-cli/pull/506">#506</a>) (<a href="https://urls.greenkeeper.io/commitizen/cz-cli/commit/aa824960">aa824960</a>)</li>
<li>update dependency lodash to v4.17.10 (<a class="issue-link js-issue-link" data-error-text="Failed to load issue title" data-id="326338773" data-permission-text="Issue title is private" data-url="commitizen/cz-cli#507" href="https://urls.greenkeeper.io/commitizen/cz-cli/pull/507">#507</a>) (<a href="https://urls.greenkeeper.io/commitizen/cz-cli/commit/4bda9435">4bda9435</a>)</li>
<li>update dependency find-root to v1.1.0 (<a class="issue-link js-issue-link" data-error-text="Failed to load issue title" data-id="326327598" data-permission-text="Issue title is private" data-url="commitizen/cz-cli#505" href="https://urls.greenkeeper.io/commitizen/cz-cli/pull/505">#505</a>) (<a href="https://urls.greenkeeper.io/commitizen/cz-cli/commit/67a4e16a">67a4e16a</a>)</li>
<li>update dependency dedent to v0.7.0 (<a class="issue-link js-issue-link" data-error-text="Failed to load issue title" data-id="326314146" data-permission-text="Issue title is private" data-url="commitizen/cz-cli#504" href="https://urls.greenkeeper.io/commitizen/cz-cli/pull/504">#504</a>) (<a href="https://urls.greenkeeper.io/commitizen/cz-cli/commit/a21b674f">a21b674f</a>)</li>
<li>update dependency cz-conventional-changelog to v2.1.0 (<a class="issue-link js-issue-link" data-error-text="Failed to load issue title" data-id="326314071" data-permission-text="Issue title is private" data-url="commitizen/cz-cli#503" href="https://urls.greenkeeper.io/commitizen/cz-cli/pull/503">#503</a>) (<a href="https://urls.greenkeeper.io/commitizen/cz-cli/commit/43d54de1">43d54de1</a>)</li>
</ul>
</li>
<li><strong>package:</strong> Remove opencollective post-install hook (<a class="issue-link js-issue-link" data-error-text="Failed to load issue title" data-id="356422024" data-permission-text="Issue title is private" data-url="commitizen/cz-cli#561" href="https://urls.greenkeeper.io/commitizen/cz-cli/pull/561">#561</a>) (<a href="https://urls.greenkeeper.io/commitizen/cz-cli/commit/a70c234d">a70c234d</a>)</li>
</ul>
<h4>Features</h4>
<ul>
<li>Drop support for Node.js &lt;6.x, update dependencies (<a class="issue-link js-issue-link" data-error-text="Failed to load issue title" data-id="361350875" data-permission-text="Issue title is private" data-url="commitizen/cz-cli#566" href="https://urls.greenkeeper.io/commitizen/cz-cli/pull/566">#566</a>) (<a href="https://urls.greenkeeper.io/commitizen/cz-cli/commit/a70c063b">a70c063b</a>)</li>
<li>support initialization with yarn. (<a class="issue-link js-issue-link" data-error-text="Failed to load issue title" data-id="349367370" data-permission-text="Issue title is private" data-url="commitizen/cz-cli#549" href="https://urls.greenkeeper.io/commitizen/cz-cli/pull/549">#549</a>) (<a href="https://urls.greenkeeper.io/commitizen/cz-cli/commit/d5652154">d5652154</a>, closes <a href="https://urls.greenkeeper.io/commitizen/cz-cli/issues/527">#527</a>, <a href="https://urls.greenkeeper.io/commitizen/cz-cli/issues/527">#527</a>)</li>
</ul>
<h4>Breaking Changes</h4>
<ul>
<li>Older versions of Node.js are no longer supported</li>
</ul>
<p>Includes most updates with the exception of semantic-release which breaks on windows. To be investigated in a later release.<br>
(<a href="https://urls.greenkeeper.io/commitizen/cz-cli/commit/a70c063b">a70c063b</a>)</p>
</details>

<details>
<summary>Commits</summary>
<p>The new version differs by 23 commits.</p>
<ul>
<li><a href="https://urls.greenkeeper.io/commitizen/cz-cli/commit/a70c063b06dbdf41af322dab06f83bfddd69149b"><code>a70c063</code></a> <code>feat: Drop support for Node.js &lt;6.x, update dependencies (#566)</code></li>
<li><a href="https://urls.greenkeeper.io/commitizen/cz-cli/commit/0d76887b7853f673949cf7aee04653b90b4dda7b"><code>0d76887</code></a> <code>chore: remove sign from windows build</code></li>
<li><a href="https://urls.greenkeeper.io/commitizen/cz-cli/commit/1546df4856dc8c4aa781e9e0ea755613647642ca"><code>1546df4</code></a> <code>chore: assume yarn in tests</code></li>
<li><a href="https://urls.greenkeeper.io/commitizen/cz-cli/commit/c3764c8c1d2b05597a6c604c13b6a11731c47281"><code>c3764c8</code></a> <code>fix: resolve linux build issues, add git exit code 128 warning</code></li>
<li><a href="https://urls.greenkeeper.io/commitizen/cz-cli/commit/f1150c83a62048831fe6d94836f52242fdc9831e"><code>f1150c8</code></a> <code>chore: Create jobs build yml</code></li>
<li><a href="https://urls.greenkeeper.io/commitizen/cz-cli/commit/f0595edca921b68913e2ce2ca1bbad75abe71515"><code>f0595ed</code></a> <code>chore: add azure jobs</code></li>
<li><a href="https://urls.greenkeeper.io/commitizen/cz-cli/commit/4693079d0400ad1a914af86c6027f83d18cde74d"><code>4693079</code></a> <code>chore: Set up CI with Azure Pipelines</code></li>
<li><a href="https://urls.greenkeeper.io/commitizen/cz-cli/commit/d5652154fa1bb41c1b1c84f20c620ee64ca32c78"><code>d565215</code></a> <code>feat: support initialization with yarn. fixes #527 (#549)</code></li>
<li><a href="https://urls.greenkeeper.io/commitizen/cz-cli/commit/a70c234d8471af147cc9f7d9d090b6ba2192eb17"><code>a70c234</code></a> <code>fix(package): Remove opencollective post-install hook (#561)</code></li>
<li><a href="https://urls.greenkeeper.io/commitizen/cz-cli/commit/d5b8bc587770e4a7efd6a36962abaa0425931181"><code>d5b8bc5</code></a> <code>docs(readme): add npx use examples (#532)</code></li>
<li><a href="https://urls.greenkeeper.io/commitizen/cz-cli/commit/d103b10f56121a8617ac9ac882338338417b0947"><code>d103b10</code></a> <code>chore(ci): test on Node.js 10.x (#531)</code></li>
<li><a href="https://urls.greenkeeper.io/commitizen/cz-cli/commit/41a921b002d1627cfedd4bb5745a27d8a47a5dfe"><code>41a921b</code></a> <code>BREAKING CHANGE: Remove Node 0.12 support (#524)</code></li>
<li><a href="https://urls.greenkeeper.io/commitizen/cz-cli/commit/aa8249605d45c1e95f57be7c832321212b0e8d1c"><code>aa82496</code></a> <code>fix(deps): update dependency glob to v7.1.2 (#506)</code></li>
<li><a href="https://urls.greenkeeper.io/commitizen/cz-cli/commit/4bda94350625e54ca862cd143432de1912caea27"><code>4bda943</code></a> <code>fix(deps): update dependency lodash to v4.17.10 (#507)</code></li>
<li><a href="https://urls.greenkeeper.io/commitizen/cz-cli/commit/67a4e16a88c7925f3199996002ba8da37e420cff"><code>67a4e16</code></a> <code>fix(deps): update dependency find-root to v1.1.0 (#505)</code></li>
</ul>
<p>There are 23 commits in total.</p>
<p>See the <a href="https://urls.greenkeeper.io/commitizen/cz-cli/compare/5838ce007c1af2e71ef6ae68efce7682d59e9061...a70c063b06dbdf41af322dab06f83bfddd69149b">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).
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package.json

@@ -85,7 +85,7 @@
     "@types/jest": "^23.3.2",
     "@types/node": "^10.11.0",
     "colors": "^1.3.2",
-    "commitizen": "^2.10.1",
+    "commitizen": "^3.0.0",
     "coveralls": "^3.0.2",
     "cross-env": "^5.2.0",
     "cz-conventional-changelog": "^2.1.0",