Bump de.undercouch.download from 5.1.1 to 5.2.1 (#4170)

Summary:
Bumps [de.undercouch.download](https://github.com/michel-kraemer/gradle-download-task) from 5.1.1 to 5.2.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/michel-kraemer/gradle-download-task/releases">de.undercouch.download's releases</a>.</em></p>
<blockquote>
<h2>5.2.1</h2>
<p>Bug fixes:</p>
<ul>
<li>Use pooling connection manager of Apache HttpClient instead of basic one. The basic one is not meant to be used by multiple threads. This fixes an issue that could cause an <code>IllegalStateException</code> with the message <code>Connection is still allocated</code>. Thanks to <a href="https://github.com/dmarks2"><code>@​dmarks2</code></a> for spotting this.</li>
</ul>
<p>Maintenance:</p>
<ul>
<li>Update dependencies</li>
</ul>
<h2>5.2.0</h2>
<p>New features:</p>
<ul>
<li>Add <code>eachFile</code> method that adds an action to be applied to each source URL before it is downloaded. The action can be used to modify the filename of the target file.</li>
<li>Add <code>runAsync</code> method to download extension. This allows multiple files to be downloaded in parallel if the download extension is used. For normal download tasks, multiple files were downloaded in parallel already.</li>
</ul>
<h2>5.1.3</h2>
<p>Bug fixes:</p>
<ul>
<li>Initialize progress logger just before the download starts (see <a href="https://github-redirect.dependabot.com/michel-kraemer/gradle-download-task/issues/243">https://github.com/facebook/flipper/issues/243</a>)</li>
</ul>
<h2>5.1.2</h2>
<p>Bug fixes:</p>
<ul>
<li>Do not include default HTTP and HTTPS ports in <code>Host</code> header unless explicitly specified by the user</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/michel-kraemer/gradle-download-task/commit/1b5d69760d19cb7f88cbc837ee46456c494c0696"><code>1b5d697</code></a> Bump up version number to 5.2.1</li>
<li><a href="https://github.com/michel-kraemer/gradle-download-task/commit/7d6de83037ca41cd2f2f31830b43e43720e45b3a"><code>7d6de83</code></a> Update dependencies</li>
<li><a href="https://github.com/michel-kraemer/gradle-download-task/commit/1da8f078e22412475b694ce07b890148b8a5e4fc"><code>1da8f07</code></a> Add comment</li>
<li><a href="https://github.com/michel-kraemer/gradle-download-task/commit/9703f764df56c52626f7d6f44bca8b1d51312389"><code>9703f76</code></a> Use pooling connection manager instead of basic one</li>
<li><a href="https://github.com/michel-kraemer/gradle-download-task/commit/306172e4c6532e185c8a6a9998bca7d22d2d0c63"><code>306172e</code></a> Bump up version number to 5.2.0</li>
<li><a href="https://github.com/michel-kraemer/gradle-download-task/commit/b9df0c0daa080450772c365f16a9406fe0ca607a"><code>b9df0c0</code></a> Document eachFile action</li>
<li><a href="https://github.com/michel-kraemer/gradle-download-task/commit/05a4433770f7020ff845add9348bdc12c82793dd"><code>05a4433</code></a> Add eachFile action</li>
<li><a href="https://github.com/michel-kraemer/gradle-download-task/commit/09d1eca91afbf21ace3672be24c68d9028ee1e33"><code>09d1eca</code></a> Document runAsync method</li>
<li><a href="https://github.com/michel-kraemer/gradle-download-task/commit/800e3df1647c5ce65bffdd25c3240dfa5244e6c5"><code>800e3df</code></a> Add runAsync method to download extension</li>
<li><a href="https://github.com/michel-kraemer/gradle-download-task/commit/80f04c6a46fe7df053ac55bcfc6f90ff74c4b873"><code>80f04c6</code></a> Bump up version number to 5.1.3</li>
<li>Additional commits viewable in <a href="https://github.com/michel-kraemer/gradle-download-task/compare/5.1.1...5.2.1">compare view</a></li>
</ul>
</details>
<br />

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</details>

Pull Request resolved: #4170

Reviewed By: antonk52

Differential Revision: D40022284

Pulled By: antonk52

fbshipit-source-id: 140dc4c07f3460aa8bb8f1c8bf0446e65c9c9898

build.gradle

@@ -20,7 +20,7 @@ buildscript {
 }
 
 plugins {
-    id 'de.undercouch.download' version '5.1.1'
+    id 'de.undercouch.download' version '5.2.1'
     id 'com.github.ben-manes.versions' version '0.42.0'
 }