Bump cryptography from 43.0.0 to 43.0.1 in /app/backend

Bumps [cryptography](https://github.com/pyca/cryptography) from 43.0.0 to 43.0.1.
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@43.0.0...43.0.1)

---
updated-dependencies:
- dependency-name: cryptography
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

app/backend/requirements.txt

@@ -81,7 +81,7 @@ click==8.1.7
     #   flask
     #   quart
     #   uvicorn
-cryptography==43.0.0
+cryptography==43.0.1
     # via
     #   -r requirements.in
     #   azure-identity