build(deps): bump cryptography from 36.0.2 to 39.0.2

Bumps [cryptography](https://github.com/pyca/cryptography) from 36.0.2 to 39.0.2.
- [Release notes](https://github.com/pyca/cryptography/releases)
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@36.0.2...39.0.2)

---
updated-dependencies:
- dependency-name: cryptography
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

tox-requirements.txt

@@ -1,6 +1,6 @@
 -r requirements.txt
 coverage==5.3.1
-cryptography==36.0.2
+cryptography==39.0.2
 pytest==7.0.1
 WebTest==2.0.35
 Flask