[PHPCS] Extend to check/fix all source code and turn GHA into auto-commit fixer (#1003)

* phpcs: enable also for config, resources and tests

* composer fix-style

* vendor/bin/phpunit -d --update-snapshots

* gha: instead of checking the style, fix and auto-commit it 💪

tests/Console/ModelsCommand/LaravelCustomCasts/Casts/CastedProperty.php

@@ -5,4 +5,4 @@ namespace Barryvdh\LaravelIdeHelper\Tests\Console\ModelsCommand\LaravelCustomCas
 class CastedProperty
 {
 
-}
+}