Bump cryptography from 40.0.2 to 41.0.6 in /docs/sphinx

Bumps [cryptography](https://github.com/pyca/cryptography) from 40.0.2 to 41.0.6.
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](https://github.com/pyca/cryptography/compare/40.0.2...41.0.6

)

---
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==3.1.0
     # via requests
 click==8.1.3
     # via sphinx-external-toc
-cryptography==40.0.2
+cryptography==41.0.6
     # via pyjwt
 deprecated==1.2.13
     # via pygithub