Bump cryptography from 2.0.3 to 44.0.0

Bumps [cryptography](https://github.com/pyca/cryptography) from 2.0.3 to 44.0.0.
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@2.0.3...44.0.0)

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

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

requirements.txt

@@ -8,7 +8,7 @@ celery-haystack==0.10
 cffi==1.7.0
 codecov==2.1.13
 contextlib2==0.5.3
-cryptography==2.0.3
+cryptography==44.0.0
 django-environ==0.4.5
 dj-static==0.0.6
 Django==1.8.18