Bump @mercuriusjs/gateway from 2.2.0 to 3.0.0

Bumps [@mercuriusjs/gateway](https://github.com/mercurius-js/federation-support) from 2.2.0 to 3.0.0.
- [Release notes](https://github.com/mercurius-js/federation-support/releases)
- [Commits](mercurius-js/mercurius-gateway@v2.2.0...v3.0.0)

---
updated-dependencies:
- dependency-name: "@mercuriusjs/gateway"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -35,7 +35,7 @@
   "homepage": "https://github.com/mercurius-js/validation",
   "devDependencies": {
     "@mercuriusjs/federation": "^3.0.0",
-    "@mercuriusjs/gateway": "^2.0.0",
+    "@mercuriusjs/gateway": "^3.0.0",
     "@sinonjs/fake-timers": "^11.2.2",
     "@types/node": "^20.11.28",
     "@types/ws": "^8.5.10",