Allow webmozart/assert version ^2.1

Author: samsonasik

.github/workflows/ci_build.yml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-versions: ['8.2', '8.3', '8.4', '8.5']
+        php-versions: ['8.2', '8.3', '8.4']
         deps: ['latest', 'lowest']
     steps:
       - name: Setup PHP Action