Update log-symbols to the latest version 🚀 (#4038)

## The dependency [log-symbols](https://github.com/sindresorhus/log-symbols) was updated from `2.2.0` 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="commit-link" data-hovercard-type="commit" data-hovercard-url="https://github.com/sindresorhus/log-symbols/commit/e1542f5ce4b2623f4ec56d226212d19e37de0df8/hovercard" href="https://urls.greenkeeper.io/sindresorhus/log-symbols/commit/e1542f5ce4b2623f4ec56d226212d19e37de0df8"><tt>e1542f5</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="432864405" data-permission-text="Issue title is private" data-url="sindresorhus/log-symbols#20" data-hovercard-type="pull_request" data-hovercard-url="/sindresorhus/log-symbols/pull/20/hovercard" href="https://urls.greenkeeper.io/sindresorhus/log-symbols/pull/20">#20</a>)  <a class="commit-link" data-hovercard-type="commit" data-hovercard-url="https://github.com/sindresorhus/log-symbols/commit/95dd49155fdac1cd32e5109847e9b7d2c5278063/hovercard" href="https://urls.greenkeeper.io/sindresorhus/log-symbols/commit/95dd49155fdac1cd32e5109847e9b7d2c5278063"><tt>95dd491</tt></a></li>
</ul>
<p><a class="commit-link" href="https://urls.greenkeeper.io/sindresorhus/log-symbols/compare/v2.2.0...v3.0.0"><tt>v2.2.0...v3.0.0</tt></a></p>
</details>

<details>
<summary>Commits</summary>
<p>The new version differs by 5 commits.</p>
<ul>
<li><a href="https://urls.greenkeeper.io/sindresorhus/log-symbols/commit/1f4ac6ef31cb4c7c4c4c67b7d6f9db712d4c0186"><code>1f4ac6e</code></a> <code>3.0.0</code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/log-symbols/commit/e1542f5ce4b2623f4ec56d226212d19e37de0df8"><code>e1542f5</code></a> <code>Require Node.js 8</code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/log-symbols/commit/95dd49155fdac1cd32e5109847e9b7d2c5278063"><code>95dd491</code></a> <code>Add TypeScript definition (#20)</code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/log-symbols/commit/8b40bbb50575f70ec2eec4674f943b266736e372"><code>8b40bbb</code></a> <code>Require Node.js 6</code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/log-symbols/commit/e70127f87395bad439cbfbfc04c8f1cdf822b285"><code>e70127f</code></a> <code>Add Ruby port to related section (#19)</code></li>
</ul>
<p>See the <a href="https://urls.greenkeeper.io/sindresorhus/log-symbols/compare/029dbb35f81c0e8471a4fa1fcf014af416d3230d...1f4ac6ef31cb4c7c4c4c67b7d6f9db712d4c0186">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 🌴

package.json

@@ -57,7 +57,7 @@
     "known-css-properties": "^0.13.0",
     "leven": "^3.1.0",
     "lodash": "^4.17.11",
-    "log-symbols": "^2.2.0",
+    "log-symbols": "^3.0.0",
     "mathml-tag-names": "^2.1.0",
     "meow": "^5.0.0",
     "micromatch": "^4.0.0",