CakePHP CodeSniffer 5.3.0

What's Changed

Updated to use PHP_CodeSniffer 4.0.

Potentially breaking change: If you get an error about missing sniffs, you should remove the installed_paths config from your phpcs config file.

• update stan by @LordSimal in #417
• Update to phpcs v4 by @ADmad in #420
• 5.next by @ADmad in #421

Full Changelog: 5.2.2...5.3.0