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](https://github.com/certifi/python-certifi/compare/2019.11.28...2022.12.07)

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

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

requirements.txt

@@ -1,4 +1,4 @@
-certifi==2019.11.28
+certifi==2022.12.7
 chardet==3.0.4
 feedparser==5.2.1
 idna==2.8