Test PHP8.4

Author: dereuromark

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-version: ['8.1', '8.3']
+        php-version: ['8.1', '8.3', '8.4']
         db-type: [sqlite, mysql, pgsql]
         prefer-lowest: ['']
         include: