Bump cryptography from 42.0.8 to 43.0.1 in /.github/workflows

Bumps [cryptography](https://github.com/pyca/cryptography) from 42.0.8 to 43.0.1.
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@42.0.8...43.0.1)

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

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

.github/workflows/requirements.txt

@@ -6,7 +6,7 @@ cffi==1.16.0
     # via cryptography
 charset-normalizer==3.3.2
     # via requests
-cryptography==42.0.8
+cryptography==43.0.1
     # via openstacksdk
 decorator==5.1.1
     # via