Bump cryptography from 2.9.2 to 42.0.2

Bumps [cryptography](https://github.com/pyca/cryptography) from 2.9.2 to 42.0.2.
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@2.9.2...42.0.2)

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

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

test_requirements.txt

@@ -1,7 +1,7 @@
 celery==3.1.26.post2
 codecov
 coverage==4.4.2
-cryptography==2.9.2
+cryptography==42.0.2
 ddt==1.1.1
 djangorestframework==3.9.4
 edx-celeryutils==0.5.0