Bump cryptography in /content/_code-samples/airgapped-wallet/py

Bumps [cryptography](https://github.com/pyca/cryptography) from 41.0.4 to 41.0.6.
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@41.0.4...41.0.6)

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

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

content/_code-samples/airgapped-wallet/py/requirements.txt

@@ -4,7 +4,7 @@ base58==2.1.0
 certifi==2023.7.22
 cffi==1.15.0
 colorama==0.4.4
-cryptography==41.0.4
+cryptography==41.0.6
 Django==3.2.23
 ECPy==1.2.5
 h11==0.12.0