chore(deps): update dependency @mercuriusjs/gateway to v4

Author: renovate[bot]

packages/mercurius/package.json

@@ -28,7 +28,7 @@
   },
   "devDependencies": {
     "@mercuriusjs/federation": "3.0.0",
-    "@mercuriusjs/gateway": "3.0.1",
+    "@mercuriusjs/gateway": "4.0.1",
     "@nestjs/common": "10.4.13",
     "@nestjs/platform-fastify": "10.4.13",
     "@nestjs/testing": "10.4.13",
@@ -39,7 +39,7 @@
   "peerDependencies": {
     "@apollo/subgraph": "^2.0.0",
     "@mercuriusjs/federation": "^1.0.0 || ^2.0.0 || ^3.0.0",
-    "@mercuriusjs/gateway": "^1.0.0 || ^2.0.0 || ^3.0.0",
+    "@mercuriusjs/gateway": "^1.0.0 || ^2.0.0 || ^3.0.0 || ^4.0.0",
     "@nestjs/common": "^9.3.8 || ^10.0.0",
     "@nestjs/graphql": "^12.0.0",
     "fastify": "^4.12.0",