Update app version number

app/build.gradle

@@ -9,8 +9,8 @@ android {
         buildConfigField "boolean", "HIDDEN_APP", "false"
         minSdkVersion 15
         targetSdkVersion 27
-        versionCode 45
-        versionName '5.8'
+        versionCode 46
+        versionName '5.9'
     }
 
     lintOptions {