build(deps): bump cryptography from 48.0.1 to 50.0.0 in /api

Bumps [cryptography](https://github.com/pyca/cryptography) from 48.0.1 to 50.0.0.
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@48.0.1...50.0.0)

---
updated-dependencies:
- dependency-name: cryptography
  dependency-version: 50.0.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

api/poetry.lock

@@ -17,7 +17,7 @@ sqlalchemy = "^2.0.30"
 psycopg2-binary = "^2.9.3"
 alembic = "^1.13.1"  
 python-multipart = ">=0.0.18,<0.0.32"
-cryptography = ">=46.0.7,<49.0.0"
+cryptography = ">=46.0.7,<51.0.0"
 aiofiles = "^0.8.0"
 celery = "^5.5.1"
 flower = "^2.0.0"