chore(deps): bump cryptography from 2.1.4 to 39.0.1 (#74)

Bumps [cryptography](https://github.com/pyca/cryptography) from 2.1.4 to 39.0.1.
- [Release notes](https://github.com/pyca/cryptography/releases)
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@2.1.4...39.0.1)

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

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requirements.txt

@@ -9,7 +9,7 @@ beautifulsoup4==4.9.3
 certifi==2020.12.5
 chardet==4.0.0
 coloredlogs==15.0
-cryptography==2.1.4
+cryptography==39.0.1
 geoip2==4.2.0
 gitdb==4.0.7
 GitPython==3.1.17