Limit CS Fixer Action to 8.1

Author: MGatner

src/Template/.github/workflows/phpcsfixer.yml

@@ -16,13 +16,9 @@ on:
 
 jobs:
   build:
-    name: PHP ${{ matrix.php-versions }} Coding Standards
+    name: Coding Standards
     runs-on: ubuntu-latest
     if: "!contains(github.event.head_commit.message, '[ci skip]')"
-    strategy:
-      fail-fast: false
-      matrix:
-        php-versions: ['7.4', '8.0', '8.1']
 
     steps:
       - name: Checkout
@@ -31,7 +27,7 @@ jobs:
       - name: Set up PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: ${{ matrix.php-versions }}
+          php-version: '8.1'
           extensions: json, tokenizer
           coverage: none
         env: