chore(deps): update dependency fastify to v5.4.0 (#3623)

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

Author: renovate[bot]

packages/mercurius/package.json

@@ -32,7 +32,7 @@
     "@nestjs/common": "11.1.3",
     "@nestjs/platform-fastify": "11.1.3",
     "@nestjs/testing": "11.1.3",
-    "fastify": "5.3.3",
+    "fastify": "5.4.0",
     "mercurius": "16.1.0",
     "mercurius-integration-testing": "9.0.1"
   },

yarn.lock

@@ -5396,6 +5396,27 @@ [email protected]:
     semver "^7.6.0"
     toad-cache "^3.7.0"
 
+[email protected]:
+  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"
+    "@fastify/fast-json-stringify-compiler" "^5.0.0"
+    "@fastify/proxy-addr" "^5.0.0"
+    abstract-logging "^2.0.1"
+    avvio "^9.0.0"
+    fast-json-stringify "^6.0.0"
+    find-my-way "^9.0.0"
+    light-my-request "^6.0.0"
+    pino "^9.0.0"
+    process-warning "^5.0.0"
+    rfdc "^1.3.1"
+    secure-json-parse "^4.0.0"
+    semver "^7.6.0"
+    toad-cache "^3.7.0"
+
 fastparallel@^2.4.1:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/fastparallel/-/fastparallel-2.4.1.tgz#0d984a5813ffa67f30b4a5cb4cb8cbe61c7ee5a5"