Update php.yml

Author: hotmeteor

.github/workflows/php.yml

@@ -17,6 +17,7 @@ jobs:
         php: [ 8.1, 8.2 ]
         include:
           - laravel: 8.*
+            php: 8.1
             testbench: 6.*
           - laravel: 9.*
             testbench: 7.*