update version to 5.3.0

Author: tibbi

Diff for: app/build.gradle

@@ -15,8 +15,8 @@ android {
         applicationId "com.simplemobiletools.voicerecorder"
         minSdkVersion 21
         targetSdkVersion 30
-        versionCode 8
-        versionName "5.2.1"
+        versionCode 9
+        versionName "5.3.0"
         setProperty("archivesBaseName", "voice-recorder")
         vectorDrawables.useSupportLibrary = true
     }