Update ramsey/uuid requirement from ^3.3 to ^4.0

Updates the requirements on [ramsey/uuid](https://github.com/ramsey/uuid) to permit the latest version.
- [Release notes](https://github.com/ramsey/uuid/releases)
- [Changelog](https://github.com/ramsey/uuid/blob/master/CHANGELOG.md)
- [Commits](ramsey/uuid@3.3.0...4.0.0)

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

composer.json

@@ -11,7 +11,7 @@
   },
   "require-dev": {
     "phpunit/phpunit": "^8.0",
-    "ramsey/uuid": "^3.3",
+    "ramsey/uuid": "^4.0",
     "broadway/coding-standard": "^1.0"
   },
   "authors": [