Tag v6.0.0beta4

Signed-off-by: Mario Danic <mario@lovelyhq.com>

app/build.gradle

@@ -17,8 +17,8 @@ android {
         targetSdkVersion 28
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
-        versionCode 91
-        versionName "6.0.0beta3"
+        versionCode 92
+        versionName "6.0.0beta4"
 
         flavorDimensions "default"
         renderscriptTargetApi 19