Test on 8.5 again

Author: frankdejonge

.github/workflows/quality-assurance.yml

@@ -37,7 +37,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: [ '8.1', '8.2', '8.3', '8.4' ]
+        php: ['8.1', '8.2', '8.3', '8.4', '8.5']
         composer-flags: [ '' ]
         experimental: [false]
         phpstan: [true]