Bump certifi from 2022.12.7 to 2023.7.22

Bumps [certifi](https://github.com/certifi/python-certifi) from 2022.12.7 to 2023.7.22.
- [Commits](certifi/python-certifi@2022.12.07...2023.07.22)

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

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

requirements.txt

@@ -15,7 +15,7 @@ beautifulsoup4==4.11.1
 billiard==3.6.4.0
 bleach==4.1.0
 celery==5.2.7
-certifi==2022.12.7
+certifi==2023.7.22
 cffi==1.15.1
 cftime==1.6.2
 chardet==5.1.0