chore: update CI configuration to disable fail-fast and allow errors for PHP 8.5

Author: Benoit POLASZEK

.github/workflows/ci.yml

@@ -14,6 +14,8 @@ jobs:
           - 8.3
           - 8.4
           - 8.5
+      fail-fast: false
+    continue-on-error: ${{ matrix.php == '8.5' }}
     steps:
       - uses: actions/checkout@v4