Add more php versions

Author: cgrabenstein

.github/workflows/tests.yml

@@ -6,7 +6,7 @@ jobs:
 
     strategy:
         matrix:
-            php: [ '8.2' ]
+            php: [ '8.2', '8.3', '8.4' ]
             mysql-version: [ '5.7', '8.0', '8.4' ]
 
     services: