fix(deps): update dependency @fastify/swagger to v8.15.0

| datasource | package          | from   | to     |
| ---------- | ---------------- | ------ | ------ |
| npm        | @fastify/swagger | 8.11.0 | 8.15.0 |

Author: renovate[bot]

package-lock.json

@@ -36,7 +36,7 @@
   "homepage": "https://github.com/timoa/nodejs-encryption-api-example#readme",
   "dependencies": {
     "@fastify/helmet": "10.1.1",
-    "@fastify/swagger": "8.11.0",
+    "@fastify/swagger": "8.15.0",
     "@hapi/boom": "10.0.1",
     "fastify": "4.24.1",
     "fastify-healthcheck": "4.4.0",