ci: Test against supported PHP versions 8.1 - 8.5

Author: Jonathan Visser

.github/workflows/test.yaml

@@ -9,7 +9,7 @@ jobs:
   code_quality:
     strategy:
       matrix:
-        php_version: [8.1, 8.2, 8.3, 8.4]
+        php_version: [8.1, 8.2, 8.3, 8.4, 8.5]
     runs-on: ubuntu-latest
     steps:
       - name: Checkout hypernode-deploy