Update symfony/phpunit-bridge requirement from ^6.4 to ^6.4 || ^7.0

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/7.0/CHANGELOG.md)
- [Commits](symfony/phpunit-bridge@v6.4.0...v7.0.4)

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

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

composer.json

@@ -42,7 +42,7 @@
         "phpstan/phpstan-phpunit": "^1.3",
         "phpunit/phpunit": "^9.6.6",
         "phpspec/prophecy-phpunit": "^2.0",
-        "symfony/phpunit-bridge": "^6.4",
+        "symfony/phpunit-bridge": "^6.4 || ^7.0",
         "vimeo/psalm": "^4.6 || ^5.0"
     }
 }