⬆️ Bump cryptography from 41.0.6 to 42.0.0 in /backend (#1128)

Bumps [cryptography](https://github.com/pyca/cryptography) from 41.0.6 to 42.0.0.
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@41.0.6...42.0.0)

---
updated-dependencies:
- dependency-name: cryptography
  dependency-type: indirect
...

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