Bump certifi from 2019.11.28 to 2022.12.7

Bumps [certifi](https://github.com/certifi/python-certifi) from 2019.11.28 to 2022.12.7.
- [Release notes](https://github.com/certifi/python-certifi/releases)
- [Commits](certifi/python-certifi@2019.11.28...2022.12.07)

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

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

requirements-frozen.txt

@@ -12,7 +12,7 @@ bcrypt==3.1.7
 billiard==3.6.3.0
 beautifulsoup4==4.9.3
 boto3==1.21.2
-certifi==2019.11.28
+certifi==2022.12.7
 cffi==1.14.0
 Chameleon==3.6.2
 chardet==3.0.4