Merge pull request #9647 from nextcloud/dependabot/gradle/com.squareup.leakcanary-leakcanary-android-2.8

Bump leakcanary-android from 2.7 to 2.8

build.gradle

@@ -324,7 +324,7 @@ dependencies {
     }
 
     if (!ciBuild) {
-        debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.7'
+        debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.8'
     }
 
     // dependencies for local unit tests