fix(deps): bump desugar_jdk_libs from 1.1.5 to 1.2.0 (#254)

Bumps [desugar_jdk_libs](https://github.com/google/desugar_jdk_libs) from 1.1.5 to 1.2.0.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/google/desugar_jdk_libs/blob/master/CHANGELOG.md">desugar_jdk_libs's changelog</a>.</em></p>
<blockquote>
<h2>Version 1.2.0 <em>(2022-06-21)</em></h2>
<ul>
<li>Release based on JDK-11. Will require AGP version 7.3.0-beta03 or later
(Android Studio Dolphin).</li>
<li>support for all <code>java.util</code> methods added in API level 31 (classes
<code>java.util.Duration</code> and <code>java.util.LocalTime</code>).</li>
<li>Support for all  methods on <code>java.util.concurrent.ConcurrentHashMap</code>.</li>
<li>Added class <code>java.util.concurrent.Flow</code>.</li>
</ul>
<h2>Version 1.1.6 <em>(2022-06-21)</em></h2>
<ul>
<li>Update version to 1.1.6 to get configuration with fix for <code>j$.time</code>
serialization issues
(<a href="https://issuetracker.google.com/235932415">issue 235932415</a>).</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li>See full diff in <a href="https://github.com/google/desugar_jdk_libs/commits">compare view</a></li>
</ul>
</details>
<br />


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</details>

lib/build.gradle

@@ -58,7 +58,7 @@ android {
 
 dependencies {
   // Java 8
-  coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.1.5'
+  coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.2.0'
 
   // Kotlin
   implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$kotlinCoroutinesVersion"