Remove php 8.4 from unstable workflow behavior

Author: SenseException

.github/workflows/tests.yml

@@ -8,7 +8,7 @@ jobs:
   tests:
 
     runs-on: "ubuntu-latest"
-    continue-on-error: "${{ matrix.php-versions == '8.4' || matrix.symfony == '7.2.*' }}"
+    continue-on-error: "${{ matrix.php-versions == '8.5' || matrix.symfony == '7.2.*' }}"
     strategy:
       matrix:
         php-versions: ['8.2', '8.3', '8.4']