Bump dokka-gradle-plugin from 1.5.0 to 1.5.30 (#2883)

Summary:
Bumps [dokka-gradle-plugin](https://github.com/Kotlin/dokka) from 1.5.0 to 1.5.30.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/Kotlin/dokka/releases">dokka-gradle-plugin's releases</a>.</em></p>
<blockquote>
<h2>1.5.30 Alpha</h2>
<p>Highlights of this release are:</p>
<ul>
<li>Support kotlin 1.5.30</li>
<li><code>literal</code> is also supported without code tag, thanks <a href="https://github.com/fsladkey"><code>@​fsladkey</code></a></li>
<li>improvements in<code>link</code> tag support. Now it supports line breaks!</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="3dae816942"><code>3dae816</code></a> Update docs for buildscript with dokka plugins (<a href="https://github-redirect.dependabot.com/Kotlin/dokka/issues/2134">https://github.com/facebook/flipper/issues/2134</a>)</li>
<li><a href="e5111250de"><code>e511125</code></a> Fix js error on pages without tabs (<a href="https://github-redirect.dependabot.com/Kotlin/dokka/issues/2127">https://github.com/facebook/flipper/issues/2127</a>)</li>
<li><a href="bcc1441fec"><code>bcc1441</code></a> Bring back mergin of divergent entries (<a href="https://github-redirect.dependabot.com/Kotlin/dokka/issues/2121">https://github.com/facebook/flipper/issues/2121</a>)</li>
<li><a href="372451fb3c"><code>372451f</code></a> Fix links of inherited properties, do not generate pages for them</li>
<li><a href="db62a9b963"><code>db62a9b</code></a> Bump kotlinx-cli-jvm from 0.3.2 to 0.3.3 (<a href="https://github-redirect.dependabot.com/Kotlin/dokka/issues/2105">https://github.com/facebook/flipper/issues/2105</a>)</li>
<li><a href="486ce71260"><code>486ce71</code></a> Handle <code>link</code> tag</li>
<li><a href="ebcc1f99a4"><code>ebcc1f9</code></a> Escape text for GFM</li>
<li><a href="e8bfc22e49"><code>e8bfc22</code></a> Don't force <a href="https://github.com/literal"><code>@​literal</code></a> in javadoc to be surrounded by code tag (<a href="https://github-redirect.dependabot.com/Kotlin/dokka/issues/2089">https://github.com/facebook/flipper/issues/2089</a>)</li>
<li><a href="63bf2b1ded"><code>63bf2b1</code></a> Fix signatures being bolded, increase spacing in divergent (<a href="https://github-redirect.dependabot.com/Kotlin/dokka/issues/2101">https://github.com/facebook/flipper/issues/2101</a>)</li>
<li><a href="1addb0cdd3"><code>1addb0c</code></a> Cleanup and version bump to 1.5.30</li>
<li>Additional commits viewable in <a href="https://github.com/Kotlin/dokka/compare/v1.5.0...v1.5.30">compare view</a></li>
</ul>
</details>
<br />

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</details>

Pull Request resolved: https://github.com/facebook/flipper/pull/2883

Reviewed By: mweststrate

Differential Revision: D31203908

Pulled By: passy

fbshipit-source-id: b53c0dc018e90e6cca8e6567e1dd8d9b41830931

build.gradle

@@ -14,7 +14,7 @@ buildscript {
         classpath 'com.android.tools.build:gradle:4.2.2'
         classpath 'com.vanniktech:gradle-maven-publish-plugin:0.17.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$KOTLIN_VERSION"
-        classpath "org.jetbrains.dokka:dokka-gradle-plugin:1.5.0"
+        classpath "org.jetbrains.dokka:dokka-gradle-plugin:1.5.30"
     }
 }