Update @samchon/openapi requirement in the ecosystem group

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

Updates `@samchon/openapi` to 2.3.1
- [Release notes](https://github.com/samchon/openapi/releases)
- [Commits](samchon/openapi@v2.3.0...v2.3.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -41,7 +41,7 @@
   },
   "homepage": "https://typia.io",
   "dependencies": {
-    "@samchon/openapi": "^2.3.0",
+    "@samchon/openapi": "^2.3.1",
     "commander": "^10.0.0",
     "comment-json": "^4.2.3",
     "inquirer": "^8.2.5",