style: set phpcs php version to 8.1 vol.2

Author: simPod

phpcs.xml.dist

@@ -6,7 +6,7 @@
     <arg name="cache" value=".phpcs-cache" />
     <arg name="colors" />
 
-    <config name="php_version" value="81000" />
+    <config name="php_version" value="80100" />
 
     <!-- Ignore warnings, show progress of the run and show sniff names -->
     <arg value="nps" />