Update @samchon/openapi requirement in /test in the samchon group

Updates the requirements on [@samchon/openapi](https://github.com/samchon/openapi) to permit the latest version.

Updates `@samchon/openapi` to 2.5.1
- [Release notes](https://github.com/samchon/openapi/releases)
- [Commits](samchon/openapi@v2.4.3...v2.5.1)

---
updated-dependencies:
- dependency-name: "@samchon/openapi"
  dependency-type: direct:production
  dependency-group: samchon
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

test/package.json

@@ -48,7 +48,7 @@
     "@nestjs/core": "^11.0.10",
     "@nestjs/platform-express": "^11.0.10",
     "@nestjs/platform-fastify": "^11.0.10",
-    "@samchon/openapi": "^2.4.3",
+    "@samchon/openapi": "^2.5.1",
     "express": "^4.21.1",
     "fastify": "^5.1.0",
     "fastify-multer": "^2.0.3",