Bump cryptography from 2.6.1 to 3.3.2

Bumps [cryptography](https://github.com/pyca/cryptography) from 2.6.1 to 3.3.2.
- [Release notes](https://github.com/pyca/cryptography/releases)
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@2.6.1...3.3.2)

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

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

Author: dependabot[bot]

requirements.txt

@@ -8,4 +8,4 @@ PyJWT==1.7.1
 requests==2.25.1
 six==1.16.0
 urllib3==1.26.6
-cryptography==2.6.1
+cryptography==3.3.2

setup.py

@@ -16,7 +16,7 @@
 install_requires = ['requests>=2.25.1,<2.26.1',
                     'urllib3>=1.26.5,<1.26.7',
                     'pyjwt>=1.7.1,<1.8.0',
-                    'cryptography>=2.6.1,<2.7.0',
+                    'cryptography>=2.6.1,<3.4.0',
                     ]
 
 setup(