chore: bump the dependencies group across 1 directory with 2 updates

Bumps the dependencies group with 2 updates in the / directory: [@modelcontextprotocol/sdk](https://github.com/modelcontextprotocol/typescript-sdk) and [zod](https://github.com/colinhacks/zod).


Updates `@modelcontextprotocol/sdk` from 1.23.0 to 1.25.1
- [Release notes](https://github.com/modelcontextprotocol/typescript-sdk/releases)
- [Commits](modelcontextprotocol/typescript-sdk@1.23.0...1.25.1)

Updates `zod` from 4.1.13 to 4.2.1
- [Release notes](https://github.com/colinhacks/zod/releases)
- [Commits](colinhacks/zod@v4.1.13...v4.2.1)

---
updated-dependencies:
- dependency-name: "@modelcontextprotocol/sdk"
  dependency-version: 1.25.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dependencies
- dependency-name: zod
  dependency-version: 4.2.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dependencies
...

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Author: dependabot[bot]