add PHP 8.5

Author: josiasmontag

.github/workflows/run-tests.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: ["8.4", "8.3", "8.2", "8.1", "8.0", "7.4"]
+        php: ["8.5", "8.4", "8.3", "8.2", "8.1", "8.0", "7.4"]
 
     steps:
       - uses: actions/checkout@v2