composer(deps-dev): Update symfony/phpunit-bridge requirement (#346)

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@v7.1.9...v7.2.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

composer.json

@@ -21,7 +21,7 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^9.6.19",
-        "symfony/phpunit-bridge": "^7.1.9"
+        "symfony/phpunit-bridge": "^7.2.0"
     },
     "autoload": {
         "psr-4": {