Update symfony/phpunit-bridge requirement || ^7.0.0

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/6.3/CHANGELOG.md)
- [Commits](symfony/phpunit-bridge@v6.1.3...v7.0.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

composer.json

@@ -139,7 +139,7 @@
         "symfony/finder": "^5.4|^6.0",
         "symfony/framework-bundle": "^6.1.3",
         "symfony/http-client": "^5.4|^6.0",
-        "symfony/phpunit-bridge": "^6.1.3",
+        "symfony/phpunit-bridge": "^6.1.3 || ^7.0.0",
         "symfony/serializer": "^6.1.3",
         "symfony/var-dumper": "^6.1.3",
         "symfony/yaml": "^6.1.3",