Add support for PHP 8.1 and 8.2

Author: javiereguiluz

.github/workflows/ci.yaml

@@ -34,7 +34,7 @@ jobs:
         strategy:
             fail-fast: false
             matrix:
-                php-version: ['7.4', '8.0']
+                php-version: ['7.4', '8.0', '8.1', '8.2']
 
         steps:
             - name: 'Checkout code'