feat(package): bump php to 8.4

Author: rtm-ctrlz

.github/workflows/php.yml

@@ -12,6 +12,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+      - name: Set up PHP
+        uses: shivammathur/setup-php@v2
+        with:
+            php-version: 8.4
+
       - uses: actions/checkout@v2
 
       - name: Validate composer.json and composer.lock