Test 8.4 (allow errors) and no longer allow errors on 8.3.

Author: Dan0sz

.github/workflows/push.yml

@@ -18,7 +18,7 @@ jobs:
 
     strategy:
       matrix:
-        php: [ '8.2', '8.1', '8.0', '7.4' ]
+        php: [ '8.4', '8.3', '8.2', '8.1', '8.0', '7.4' ]
 
     continue-on-error: ${{ matrix.php == '8.4' }}