Update symfony/phpunit-bridge requirement from ^5.1 to ^7.1

Updates the requirements on [symfony/phpunit-bridge](https://github.com/symfony/phpunit-bridge) to permit the latest version.
- [Release notes](https://github.com/symfony/phpunit-bridge/releases)
- [Changelog](https://github.com/symfony/phpunit-bridge/blob/7.0/CHANGELOG.md)
- [Commits](symfony/phpunit-bridge@v5.1.0...v7.1.0)

---
updated-dependencies:
- dependency-name: symfony/phpunit-bridge
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

composer.json

@@ -18,7 +18,7 @@
     "brainmaestro/composer-git-hooks": "^2.8",
     "phpstan/phpstan-strict-rules": "^0.12.1",
     "phpstan/extension-installer": "^1.0",
-    "symfony/phpunit-bridge": "^5.1",
+    "symfony/phpunit-bridge": "^7.1",
     "friendsofphp/php-cs-fixer": "^3.54"
   },
   "autoload": {