Bump cryptography from 42.0.2 to 42.0.4 in /docs/sphinx

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

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

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

docs/sphinx/requirements.txt

@@ -26,7 +26,7 @@ charset-normalizer==2.1.1
     # via requests
 click==8.1.3
     # via sphinx-external-toc
-cryptography==42.0.2
+cryptography==42.0.4
     # via pyjwt
 deprecated==1.2.13
     # via pygithub