Bump manifest-merger from 30.2.1 to 30.2.2 (#7238)

Context: https://mvnrepository.com/artifact/com.android.tools.build/manifest-merger/30.2.2
Context: https://android.googlesource.com/platform/tools/base/+/master/build-system/manifest-merger

Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>

Author: dependabot[bot]

Documentation/release-notes/manifest-merger-30.2.1.md renamed to Documentation/release-notes/manifest-merger-30.2.2.md

@@ -1,6 +1,6 @@
-### manifestmerger.jar version update to 30.2.1
+### manifestmerger.jar version update to 30.2.2
 
 The version of the [manifest merger][0] included in Xamarin.Android
-has been updated from 30.1.3 to 30.2.1
+has been updated from 30.1.3 to 30.2.2
 
 [0]: https://developer.android.com/studio/build/manifest-merge.html

src/manifestmerger/build.gradle

@@ -19,7 +19,7 @@ repositories {
 
 dependencies {
     // https://mvnrepository.com/artifact/com.android.tools.build/manifest-merger
-    compile group: 'com.android.tools.build', name: 'manifest-merger', version: '30.2.1'
+    compile group: 'com.android.tools.build', name: 'manifest-merger', version: '30.2.2'
 }
 
 sourceSets {