Bump certifi from 2020.6.20 to 2022.12.7

Bumps [certifi](https://github.com/certifi/python-certifi) from 2020.6.20 to 2022.12.7.
- [Release notes](https://github.com/certifi/python-certifi/releases)
- [Commits](certifi/python-certifi@2020.06.20...2022.12.07)

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

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

Author: dependabot[bot]

requirements.txt

@@ -1,5 +1,5 @@
 asgiref==3.3.2
-certifi==2020.6.20
+certifi==2022.12.7
 chardet==3.0.4
 dj-database-url==1.2.0
 Django==3.2.0