- update: added PHP 8.3 and 8.4

- update: action checkout version

Author: kodeart

.github/workflows/ci.yaml

@@ -27,6 +27,8 @@ jobs:
         php:
           - '8.1'
           - '8.2'
+          - '8.3'
+          - '8.4'
         redis:
           - 5
           - 6
@@ -45,7 +47,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 10