Update dependency fastify to v5.4.0 (#712)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

federation/gateways/mercurius/package.json

@@ -7,7 +7,7 @@
     "tsx": "4.20.3",
     "typescript": "5.8.3",
     "graphql": "16.11.0",
-    "fastify": "5.3.3",
+    "fastify": "5.4.0",
     "@mercuriusjs/gateway": "5.0.0"
   },
   "resolutions": {

federation/gateways/mercurius/yarn.lock

@@ -555,10 +555,10 @@ fastify-plugin@^5.0.0:
   resolved "https://registry.yarnpkg.com/fastify-plugin/-/fastify-plugin-5.0.1.tgz#82d44e6fe34d1420bb5a4f7bee434d501e41939f"
   integrity sha512-HCxs+YnRaWzCl+cWRYFnHmeRFyR5GVnJTAaCJQiYzQSDwK9MgJdyAsuL3nh0EWRCYMgQ5MeziymvmAhUHYHDUQ==
 
-fastify@5.3.3:
-  version "5.3.3"
-  resolved "https://registry.yarnpkg.com/fastify/-/fastify-5.3.3.tgz#14915c39a6198dbb0a3910e0d1f13e04234bbedc"
-  integrity sha512-nCBiBCw9q6jPx+JJNVgO8JVnTXeUyrGcyTKPQikRkA/PanrFcOIo4R+ZnLeOLPZPGgzjomqfVarzE0kYx7qWiQ==
+fastify@5.4.0:
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/fastify/-/fastify-5.4.0.tgz#82bf56e0bc36ba8dfb0bd372a0de8b62ccf3287c"
+  integrity sha512-I4dVlUe+WNQAhKSyv15w+dwUh2EPiEl4X2lGYMmNSgF83WzTMAPKGdWEv5tPsCQOb+SOZwz8Vlta2vF+OeDgRw==
   dependencies:
     "@fastify/ajv-compiler" "^4.0.0"
     "@fastify/error" "^4.0.0"