Bump certifi from 2020.6.20 to 2022.12.7 in /codalab/requirements

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] <support@github.com>

Author: dependabot[bot]

codalab/requirements/requirements.txt

@@ -84,7 +84,7 @@ pytest-env==0.6.2
 
 lxml==4.1.1
 
-certifi==2020.6.20
+certifi==2022.12.7
 
 # Adding coreapi for rest_framework api documentation
 coreapi