Bump cryptography from 41.0.6 to 42.0.4 in /manager

Bumps [cryptography](https://github.com/pyca/cryptography) from 41.0.6 to 42.0.4.
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@41.0.6...42.0.4)

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

Signed-off-by: dependabot[bot] <[email protected]>

manager/requirements.txt

@@ -17,7 +17,7 @@ chardet==3.0.4
 constantly==15.1.0
 coreapi==2.3.3
 coreschema==0.0.4
-cryptography==41.0.6
+cryptography==42.0.4
 Django==3.1.14
 django-auth-ldap==4.1.0
 django-cors-headers==3.2.1