Added PHP 8.5 on version list (#145)

Author: mgiannopoulos24

.github/workflows/tests.yml

@@ -8,7 +8,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: [8.4, 8.3, 8.2, 8.1]
+        php: [8.5, 8.4, 8.3, 8.2, 8.1]
         dependency-version: [prefer-stable]
         os: [ubuntu-latest, windows-latest]