chore(deps): Bump cryptography (#160)

Bumps the uv group with 1 update in the /backend directory: [cryptography](https://github.com/pyca/cryptography).


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)

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

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