Bump @modelcontextprotocol/sdk

Bumps the production-dependencies group with 1 update in the / directory: [@modelcontextprotocol/sdk](https://github.com/modelcontextprotocol/typescript-sdk).


Updates `@modelcontextprotocol/sdk` from 1.1.1 to 1.6.1
- [Release notes](https://github.com/modelcontextprotocol/typescript-sdk/releases)
- [Commits](modelcontextprotocol/typescript-sdk@1.1.1...1.6.1)

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

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Author: dependabot[bot]