build: tweak github actions file

Author: lindyhopchris

.github/workflows/tests.yml

@@ -19,8 +19,8 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        php: [8.2, 8.3, 8.4]
-        laravel: [11, '12']
+        php: [ 8.2, 8.3, 8.4 ]
+        laravel: [ 11, 12 ]
 
     steps:
       - name: Checkout Code