Bump hono from 4.11.3 to 4.11.4 in /samples/Whiteboard/MCPServer (#334)

Bumps [hono](https://github.com/honojs/hono) from 4.11.3 to 4.11.4.
- [Release notes](https://github.com/honojs/hono/releases)
- [Commits](honojs/hono@v4.11.3...v4.11.4)

---
updated-dependencies:
- dependency-name: hono
  dependency-version: 4.11.4
  dependency-type: indirect
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]