chore(deps): bump cryptography in /privateca/snippets (GoogleCloudPlatform#10644)

Bumps [cryptography](https://github.com/pyca/cryptography) from 41.0.3 to 41.0.4.
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@41.0.3...41.0.4)

---
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>

Author: dependabot[bot]

privateca/snippets/requirements-test.txt

@@ -1,4 +1,4 @@
 pytest==7.2.1
 google-auth==2.19.1
-cryptography==41.0.3
+cryptography==41.0.4
 backoff==2.2.1