build(deps): bump @modelcontextprotocol/sdk (#2007)

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


Updates `@modelcontextprotocol/sdk` from 1.25.3 to 1.26.0
- [Release notes](https://github.com/modelcontextprotocol/typescript-sdk/releases)
- [Commits](modelcontextprotocol/typescript-sdk@v1.25.3...v1.26.0)

---
updated-dependencies:
- dependency-name: "@modelcontextprotocol/sdk"
  dependency-version: 1.26.0
  dependency-type: indirect
  dependency-group: npm_and_yarn
...

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Author: dependabot[bot]