Bump certifi from 2022.12.7 to 2023.7.22 (#216)

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
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements-frozen.txt

@@ -1,6 +1,6 @@
 asgiref==3.2.10
 astroid==2.3.3
-certifi==2022.12.7
+certifi==2023.7.22
 chardet==3.0.4
 Django==3.1.14
 django-ckeditor==5.9.0