Update symfony/phpunit-bridge requirement from ^6.1 to ^7.0 (#105)

Author: dependabot[bot]

composer.json

@@ -21,7 +21,7 @@
     "drupal/core-recommended": "^10.1",
     "drupal/core-composer-scaffold": "^10.1",
     "mglaman/drupal-check": "^1.4",
-    "symfony/phpunit-bridge": "^6.1",
+    "symfony/phpunit-bridge": "^7.0",
     "drupal/coder": "^8.3"
   },
   "autoload-dev": {