ci(github): Update PHP version in workflows and composer

- Update PHP version in GitHub Actions workflow from 8.3 to 8.4
- Add support for PHP 8.4 in composer.json
- Ensure compatibility with the latest PHP version for testing

Author: guanguans

.github/workflows/tests.yml

@@ -9,7 +9,7 @@ jobs:
       fail-fast: true
       matrix:
         os: [ ubuntu-latest ]
-        php: [ 7.4, 8.3 ]
+        php: [ 7.4, 8.4 ]
         dependency-version: [ prefer-stable ]
 
     name: P${{ matrix.php }} - ${{ matrix.dependency-version }} - ${{ matrix.os }}

composer.json

@@ -243,7 +243,8 @@
             "@putenv PHP80=/opt/homebrew/opt/[email protected]/bin/php",
             "@putenv PHP81=/opt/homebrew/opt/[email protected]/bin/php",
             "@putenv PHP82=/opt/homebrew/opt/[email protected]/bin/php",
-            "@putenv PHP83=/opt/homebrew/opt/[email protected]/bin/php"
+            "@putenv PHP83=/opt/homebrew/opt/[email protected]/bin/php",
+            "@putenv PHP84=/opt/homebrew/opt/[email protected]/bin/php"
         ],
         "rector": "@php ./vendor/bin/rector --clear-cache --ansi -v",
         "rector-dry-run": "@rector --dry-run",