chore(deps): update cryptography requirement in /api

Updates the requirements on [cryptography](https://github.com/pyca/cryptography) to permit the latest version.
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](https://github.com/pyca/cryptography/compare/42.0.2...42.0.5)

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

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

api/requirements.txt

@@ -1,7 +1,7 @@
 captcha~=0.5.0
 celery~=5.3.6
 coverage~=7.4.3
-cryptography~=42.0.2
+cryptography~=42.0.5
 Django~=5.0.3
 django-cors-headers~=4.3.1
 djangorestframework~=3.14.0