chore: Update version name to new format

Author: WSTxda

build.gradle

@@ -83,7 +83,7 @@ allprojects {
     apply plugin: 'idea'
 
     group = 'org.microg.gms'
-    ext.appVersionName = 6.0
+    ext.appVersionName = '6.0.0'
     ext.appVersionCode = 254961000
     ext.baseVersion = ext.appVersionCode.toString()[0..1] + '.' + ext.appVersionCode.toString()[2..3] + '.' + ext.appVersionCode.toString()[4..5]
     version = ext.appVersionName + " GMS-" + ext.baseVersion