Bump the pip group across 1 directories with 1 update

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


Updates `cryptography` from 42.0.2 to 42.0.4
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@42.0.2...42.0.4)

---
updated-dependencies:
- dependency-name: cryptography
  dependency-type: indirect
  dependency-group: pip-security-group
...

Signed-off-by: dependabot[bot] <[email protected]>