Fix the phpcs file extension.

jsacksick · jsacksick · commit 3747ce0e9d0a · 2023-03-02T16:21:52.000+02:00
diff --git a/phpcs.xml b/phpcs.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-    <ruleset>
+<ruleset>
     <file>./</file>
     <exclude-pattern>./vendor/*</exclude-pattern>
     <rule ref="PSR2" />
