📌 Fix the minimum required PHP version

rector.php

@@ -17,7 +17,7 @@
 
     // define sets of rules
     $rectorConfig->sets([
-        LevelSetList::UP_TO_PHP_81,
         LevelSetList::UP_TO_PHP_82,
+        LevelSetList::UP_TO_PHP_83,
     ]);
 };