Bump certifi from 2020.4.5.1 to 2022.12.7 (#902)

Bumps [certifi](https://github.com/certifi/python-certifi) from 2020.4.5.1 to 2022.12.7.
- [Release notes](https://github.com/certifi/python-certifi/releases)
- [Commits](https://github.com/certifi/python-certifi/compare/2020.04.05.1...2022.12.07)

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

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requirements.txt

@@ -2,7 +2,7 @@ attrs==19.3.0
 beautifulsoup4==4.10.0
 brotli==1.0.9
 cachelib==0.4.1
-certifi==2020.4.5.1
+certifi==2022.12.7
 cffi==1.15.0
 chardet==3.0.4
 click==8.0.3