Version upgrade

android/app/build.gradle

@@ -6,8 +6,8 @@ android {
         applicationId "com.app.pbks"
         minSdkVersion rootProject.ext.minSdkVersion
         targetSdkVersion rootProject.ext.targetSdkVersion
-        versionCode 3
-        versionName "2.1"
+        versionCode 4
+        versionName "2.2"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
     buildTypes {