ci: update matrix

Author: leeqvip

.github/workflows/phpunit.yml

@@ -19,8 +19,11 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        php: [ 8.0, 8.1, 8.2, 8.3 ]
+        php: [ 8.0, 8.1, 8.2, 8.3, 8.4 ]
         thinkphp: [ "~8.0.3", "^8.1"]
+        exclude:
+          - php: 8.4
+            thinkphp: "~8.0.3"
 
     name: ThinkPHP${{ matrix.thinkphp }}-PHP${{ matrix.php }}