Merge pull request #2989 from nextcloud/dependabot/gradle/org.jetbrains-annotations-16.0.2

Bump annotations from 15.0 to 16.0.2

build.gradle

@@ -260,7 +260,7 @@ dependencies {
     androidTestImplementation 'com.android.support.test.uiautomator:uiautomator-v18:2.1.3'
     // fix conflict in dependencies; see http://g.co/androidstudio/app-test-app-conflict for details
     //androidTestImplementation "com.android.support:support-annotations:${supportLibraryVersion}"
-    implementation 'org.jetbrains:annotations:15.0'
+    implementation 'org.jetbrains:annotations:16.0.2'
 
     androidTestImplementation 'tools.fastlane:screengrab:1.2.0'