Update random-item to the latest version 🚀 (#80)

## The dependency [random-item](https://github.com/sindresorhus/random-item) was updated from `2.0.0` 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>Remove handling of iterables, only allow arrays as input (<a class="issue-link js-issue-link" data-error-text="Failed to load issue title" data-id="432762066" data-permission-text="Issue title is private" data-url="sindresorhus/random-item#2" data-hovercard-type="pull_request" data-hovercard-url="/sindresorhus/random-item/pull/2/hovercard" href="https://urls.greenkeeper.io/sindresorhus/random-item/pull/2">#2</a>)  <a class="commit-link" data-hovercard-type="commit" data-hovercard-url="https://github.com/sindresorhus/random-item/commit/deff79576b56334da132bb8a4b4294c77e8ffcf4/hovercard" href="https://urls.greenkeeper.io/sindresorhus/random-item/commit/deff79576b56334da132bb8a4b4294c77e8ffcf4"><tt>deff795</tt></a><br>
<em>It doesn't make sense to accept iterables when we don't take advantage of it internally. Users can just instead use <code>...iterable</code> which turns it into an array that the module accepts.</em></li>
</ul>
<p><a class="commit-link" href="https://urls.greenkeeper.io/sindresorhus/random-item/compare/v2.0.0...v3.0.0"><tt>v2.0.0...v3.0.0</tt></a></p>
</details>

<details>
<summary>Commits</summary>
<p>The new version differs by 3 commits.</p>
<ul>
<li><a href="https://urls.greenkeeper.io/sindresorhus/random-item/commit/bfd099447e34c1545a6895991504b8b37203a1ef"><code>bfd0994</code></a> <code>3.0.0</code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/random-item/commit/c0e9faaa49154730e12745f3ab0541e26926291f"><code>c0e9faa</code></a> <code>Meta tweaks</code></li>
<li><a href="https://urls.greenkeeper.io/sindresorhus/random-item/commit/deff79576b56334da132bb8a4b4294c77e8ffcf4"><code>deff795</code></a> <code>Remove handling of iterables, only allow arrays as input (#2)</code></li>
</ul>
<p>See the <a href="https://urls.greenkeeper.io/sindresorhus/random-item/compare/9f001f8bec1d369dfefe66ad273ca32b821e101c...bfd099447e34c1545a6895991504b8b37203a1ef">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

@@ -26,7 +26,7 @@
     "nanobus": "^4.4.0",
     "node-schedule": "^1.3.1",
     "p-event": "^4.0.0",
-    "random-item": "^2.0.0",
+    "random-item": "^3.0.0",
     "s-ago": "^2.0.1",
     "serve-static": "^1.13.2",
     "throttleit": "^1.0.0",