chore(deps): bump langgraph-sdk

Bumps the all-dependencies group in /libs/cli with 1 update: [langgraph-sdk](https://github.com/langchain-ai/langgraph).


Updates `langgraph-sdk` from 0.3.5 to 0.3.6
- [Release notes](https://github.com/langchain-ai/langgraph/releases)
- [Commits](0.3.5...0.3.6)

---
updated-dependencies:
- dependency-name: langgraph-sdk
  dependency-version: 0.3.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: all-dependencies
...

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Author: dependabot[bot]