Update phpunit-bridge to 5.0

Author: giovannilenoci

composer.json

@@ -25,7 +25,7 @@
     },
     "require-dev": {
         "symfony/symfony": "^3.4|^4.0|^5.0",
-        "symfony/phpunit-bridge": "^4.2",
+        "symfony/phpunit-bridge": "^5.0",
         "phpunit/phpunit": "^7.5|^8",
         "php-coveralls/php-coveralls": "^2.1",
         "phpstan/phpstan": "^0.11.2",