Update .github/workflows/ci.yaml

Co-authored-by: Konrad Oboza <[email protected]>

Author: Steveb-p

.github/workflows/ci.yaml

@@ -17,7 +17,7 @@ jobs:
             - name: Setup PHP Action
               uses: shivammathur/setup-php@v2
               with:
-                  php-version: '8.0'
+                  php-version: '8.1'
                   coverage: none
                   extensions: 'pdo_sqlite, gd'
                   tools: cs2pr