Bump cryptography in /docker/superset/2/debian11/2.1

Bumps [cryptography](https://github.com/pyca/cryptography) from 38.0.4 to 43.0.1.
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@38.0.4...43.0.1)

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

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

docker/superset/2/debian11/2.1/requirements.txt

@@ -1,4 +1,4 @@
-cryptography==38.0.4
+cryptography==43.0.1
 dnspython==2.6.1
 email-validator==1.1.3
 markupsafe==2.1.1