chore(deps): bump langsmith to 0.10.6 in daytona cookbook lockfile (#442)

## Pull Request Checklist

Please ensure that your PR meets the following requirements:

- [x] I have read the [CONTRIBUTING](CONTRIBUTING.md) guide.
- [ ] I have updated the documentation (if applicable). — N/A,
lockfile-only change
- [x] My code follows the style guidelines of this project.
- [x] I have performed a self-review of my own code.
- [ ] I have added tests that prove my fix is effective or that my
feature works. — N/A, dependency bump
- [x] New and existing unit tests pass locally with my changes.

## Description

Bumps the locked `langsmith` version from 0.8.3 to 0.10.6 (latest
release) in
`examples/cookbook/daytona/uv.lock`, keeping tracing and eval tooling
current.

`langsmith` is a transitive dependency of `langchain-core` (constraint
`>=0.3.45,<1.0.0`, satisfied by 0.10.6). It is not pinned directly in
any
manifest, so this is the only affected file. Regenerated with
`uv lock --upgrade-package langsmith`; `ruff check` passes.

Fixes #428

## Type of Change

- [x] Bug fix (non-breaking change which fixes an issue)


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Author: Adityacrypto-del