chore(deps): bump @samchon/openapi in the agent group

Bumps the agent group with 1 update: [@samchon/openapi](https://github.com/samchon/openapi).


Updates `@samchon/openapi` from 5.1.0 to 6.0.0
- [Release notes](https://github.com/samchon/openapi/releases)
- [Commits](samchon/openapi@v5.1.0...v6.0.0)

---
updated-dependencies:
- dependency-name: "@samchon/openapi"
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: agent
...

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

Author: dependabot[bot]

package.json

@@ -19,7 +19,7 @@
   "dependencies": {
     "@agentica/core": "^0.34.2",
     "@agentica/rpc": "^0.34.2",
-    "@samchon/openapi": "^5.1.0",
+    "@samchon/openapi": "^6.0.0",
     "dotenv": "^16.4.7",
     "dotenv-expand": "^12.0.1",
     "openai": "^6.15.0",