Bump certifi from 2020.12.5 to 2022.12.7

Bumps [certifi](https://github.com/certifi/python-certifi) from 2020.12.5 to 2022.12.7.
- [Release notes](https://github.com/certifi/python-certifi/releases)
- [Commits](certifi/python-certifi@2020.12.05...2022.12.07)

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

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

requirements-dev.txt

@@ -4,7 +4,7 @@
 appdirs==1.4.4
 astroid==2.5.2
 black==20.8b1
-certifi==2020.12.5
+certifi==2022.12.7
 click==7.1.2
 isort==5.8.0
 lazy-object-proxy==1.6.0