Update php-cs-fixer.yml

Author: bramr94

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

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkouts@v3
+      - uses: actions/checkout@v3
       - name: PHP-CS-Fixer
         uses: docker://oskarstark/php-cs-fixer-ga
         with: