Bump @modelcontextprotocol/sdk in /src/js-host-api/examples/mcp-server

Bumps [@modelcontextprotocol/sdk](https://github.com/modelcontextprotocol/typescript-sdk) from 1.26.0 to 1.29.0.
- [Release notes](https://github.com/modelcontextprotocol/typescript-sdk/releases)
- [Commits](modelcontextprotocol/typescript-sdk@v1.26.0...v1.29.0)

---
updated-dependencies:
- dependency-name: "@modelcontextprotocol/sdk"
  dependency-version: 1.29.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

src/js-host-api/examples/mcp-server/package-lock.json

@@ -10,7 +10,7 @@
         "test": "vitest run"
     },
     "dependencies": {
-        "@modelcontextprotocol/sdk": "^1.26.0",
+        "@modelcontextprotocol/sdk": "^1.29.0",
         "zod": "^3.25.0"
     },
     "devDependencies": {