Revert "Use Reusable Workflows"

This reverts commit 7fb41aa.

Author: stefanzweifel

.github/workflows/php-cs-fixer.yml

@@ -1,11 +1,23 @@
-name: php-cs-fixer
+name: Check & fix styling
 
-on:
-  pull_request:
-  push:
-    branches:
-      - main
+on: [push]
 
 jobs:
   php-cs-fixer:
-    uses: stefanzweifel/reusable-workflows/.github/workflows/php-cs-fixer.yml@main
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+        with:
+          ref: ${{ github.head_ref }}
+
+      - name: Run PHP CS Fixer
+        uses: docker://oskarstark/php-cs-fixer-ga
+        with:
+          args: --config=.php_cs.dist.php --allow-risky=yes
+
+      - name: Commit changes
+        uses: stefanzweifel/git-auto-commit-action@v4
+        with:
+          commit_message: Fix styling