add latest PHP versions to CI

Author: codemasher

.github/workflows/tests.yml

@@ -32,7 +32,8 @@ jobs:
           - "8.1"
           - "8.2"
           - "8.3"
-#          - "8.4"
+          - "8.4"
+          - "8.5"
 
     steps:
       - name: "Checkout"
@@ -70,7 +71,8 @@ jobs:
           - "8.1"
           - "8.2"
           - "8.3"
-#          - "8.4"
+          - "8.4"
+          - "8.5"
 
     steps:
       - name: "Checkout"