Update dependency @fastify/swagger to v9

Author: renovate[bot]

api/package.json

@@ -47,7 +47,7 @@
     "dependencies": {
         "@fastify/cors": "^8.5.0",
         "@fastify/helmet": "^11.1.1",
-        "@fastify/swagger": "^8.15.0",
+        "@fastify/swagger": "^9.6.1",
         "@fastify/swagger-ui": "^1.10.2",
         "@hapi/boom": "^10.0.1",
         "@keplr/typed-ajv": "^3.0.5",