Bump cryptography from 41.0.3 to 41.0.6 in /requirements

Bumps [cryptography](https://github.com/pyca/cryptography) from 41.0.3 to 41.0.6.
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@41.0.3...41.0.6)

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

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

requirements/runtime.txt

@@ -14,7 +14,7 @@ cffi==1.15.1
     # via cryptography
 charset-normalizer==3.2.0
     # via requests
-cryptography==41.0.3
+cryptography==41.0.6
     # via secretstorage
 docutils==0.20.1
     # via readme-renderer