Rename the autoload.php file to PHPCSCompatibility.php

The autoload.php filename might be causing some issues in certain systmes.

Author: david-binda

WordPressVIPMinimum/autoload.php renamed to WordPressVIPMinimum/PHPCSCompatibility.php

@@ -2,7 +2,7 @@
 <ruleset name="WordPress VIP Minimum">
 	<description>WordPress VIP Minimum Coding Standards</description>
 
-	<autoload>./autoload.php</autoload>
+	<autoload>./PHPCSCompatibility.php</autoload>
 
 	<rule ref="WordPress.VIP">
 		<exclude name="WordPress.VIP.ValidatedSanitizedInput.MissingUnslash"/>