Bump the uv group across 1 directory with 2 updates (#260)

Bumps the uv group with 2 updates in the / directory: [cryptography](https://github.com/pyca/cryptography) and [langchain-core](https://github.com/langchain-ai/langchain).


Updates `cryptography` from 46.0.6 to 46.0.7
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@46.0.6...46.0.7)

Updates `langchain-core` from 1.2.22 to 1.2.28
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain-core==1.2.22...langchain-core==1.2.28)

---
updated-dependencies:
- dependency-name: cryptography
  dependency-version: 46.0.7
  dependency-type: indirect
  dependency-group: uv
- dependency-name: langchain-core
  dependency-version: 1.2.28
  dependency-type: indirect
  dependency-group: uv
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]