build(deps): update dependency fastify to v5.7.3 [security]

Author: renovate[bot]

package.json

@@ -24,7 +24,7 @@
     "cpr": "3.0.1",
     "debug": "4.4.1",
     "dottie": "2.0.6",
-    "fastify": "5.4.0",
+    "fastify": "5.7.3",
     "@fastify/cors": "11.0.1",
     "@fastify/helmet": "13.0.1",
     "@fastify/jwt": "9.1.0",