Bump @hono/node-server in /samples/Whiteboard/MCPServer

Bumps [@hono/node-server](https://github.com/honojs/node-server) from 1.19.10 to 1.19.13.
- [Release notes](https://github.com/honojs/node-server/releases)
- [Commits](honojs/node-server@v1.19.10...v1.19.13)

---
updated-dependencies:
- dependency-name: "@hono/node-server"
  dependency-version: 1.19.13
  dependency-type: indirect
...

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

Author: dependabot[bot]