chore(deps): bump the uv group across 1 directory with 6 updates

Bumps the uv group with 6 updates in the / directory:

| Package | From | To |
| --- | --- | --- |
| [langchain-core](https://github.com/langchain-ai/langchain) | `1.2.28` | `1.3.3` |
| [langchain-text-splitters](https://github.com/langchain-ai/langchain) | `1.1.1` | `1.1.2` |
| [langsmith](https://github.com/langchain-ai/langsmith-sdk) | `0.7.6` | `0.7.31` |
| [python-dotenv](https://github.com/theskumar/python-dotenv) | `1.2.1` | `1.2.2` |
| [python-multipart](https://github.com/Kludex/python-multipart) | `0.0.22` | `0.0.27` |
| [urllib3](https://github.com/urllib3/urllib3) | `2.6.3` | `2.7.0` |



Updates `langchain-core` from 1.2.28 to 1.3.3
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain-core==1.2.28...langchain-core==1.3.3)

Updates `langchain-text-splitters` from 1.1.1 to 1.1.2
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain-text-splitters==1.1.1...langchain-text-splitters==1.1.2)

Updates `langsmith` from 0.7.6 to 0.7.31
- [Release notes](https://github.com/langchain-ai/langsmith-sdk/releases)
- [Commits](langchain-ai/langsmith-sdk@v0.7.6...v0.7.31)

Updates `python-dotenv` from 1.2.1 to 1.2.2
- [Release notes](https://github.com/theskumar/python-dotenv/releases)
- [Changelog](https://github.com/theskumar/python-dotenv/blob/main/CHANGELOG.md)
- [Commits](theskumar/python-dotenv@v1.2.1...v1.2.2)

Updates `python-multipart` from 0.0.22 to 0.0.27
- [Release notes](https://github.com/Kludex/python-multipart/releases)
- [Changelog](https://github.com/Kludex/python-multipart/blob/main/CHANGELOG.md)
- [Commits](Kludex/python-multipart@0.0.22...0.0.27)

Updates `urllib3` from 2.6.3 to 2.7.0
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@2.6.3...2.7.0)

---
updated-dependencies:
- dependency-name: langchain-core
  dependency-version: 1.3.3
  dependency-type: indirect
  dependency-group: uv
- dependency-name: langchain-text-splitters
  dependency-version: 1.1.2
  dependency-type: indirect
  dependency-group: uv
- dependency-name: langsmith
  dependency-version: 0.7.31
  dependency-type: indirect
  dependency-group: uv
- dependency-name: python-dotenv
  dependency-version: 1.2.2
  dependency-type: indirect
  dependency-group: uv
- dependency-name: python-multipart
  dependency-version: 0.0.27
  dependency-type: indirect
  dependency-group: uv
- dependency-name: urllib3
  dependency-version: 2.7.0
  dependency-type: indirect
  dependency-group: uv
...

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Author: dependabot[bot]