Use composer script to check cs

Author: brianvarskonst

.github/workflows/ci.yml

@@ -34,7 +34,7 @@ jobs:
             - run: diff -Bw phpcs.Brianvarskonst.xml <(xmllint --format phpcs.Brianvarskonst.xml)
             - run: diff -Bw phpcs.xml.dist <(xmllint --format phpcs.xml.dist)
             - name: Stylecheck against Brianvarskonst itself
-              run: vendor/bin/phpcs
+              run: composer cs
     run-tests:
         strategy:
             matrix: