chore: PHP CS Fixer - restore PHP / PHPUnit rulesets

Author: keradus

Tests/ExecutableFinderTest.php

@@ -168,7 +168,7 @@ public function testEmptyDirInPath()
 
         try {
             touch('executable');
-            chmod('executable', 0700);
+            chmod('executable', 0o700);
 
             $finder = new ExecutableFinder();
             $result = $finder->find('executable');