Bump cryptography from 42.0.2 to 42.0.4 in /docs/sphinx (#449)

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](pyca/cryptography@42.0.2...42.0.4)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

docs/sphinx/requirements.txt

@@ -31,7 +31,7 @@ click==8.1.3
     #   sphinx-external-toc
 click-log==0.4.0
     # via doxysphinx
-cryptography==42.0.2
+cryptography==42.0.4
     # via pyjwt
 deprecated==1.2.13
     # via pygithub