chore(deps): bump github.com/modelcontextprotocol/go-sdk from 1.1.0 to 1.2.0 (#7776)

chore(deps): bump github.com/modelcontextprotocol/go-sdk

Bumps [github.com/modelcontextprotocol/go-sdk](https://github.com/modelcontextprotocol/go-sdk) from 1.1.0 to 1.2.0.
- [Release notes](https://github.com/modelcontextprotocol/go-sdk/releases)
- [Commits](https://github.com/modelcontextprotocol/go-sdk/compare/v1.1.0...v1.2.0)

---
updated-dependencies:
- dependency-name: github.com/modelcontextprotocol/go-sdk
  dependency-version: 1.2.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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