Bump cryptography from 41.0.6 to 42.0.0 (#6)

Bumps [cryptography](https://github.com/pyca/cryptography) from 41.0.6 to 42.0.0.
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@41.0.6...42.0.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -2,7 +2,7 @@ aiofiles==0.7.0
 aiosqlite==0.17.0
 asyncua==0.9.96
 cffi==1.14.5
-cryptography==41.0.6
+cryptography==42.0.0
 pycparser==2.20
 python-dateutil==2.8.1
 pytz==2021.1