Build(deps): Bump certifi from 2023.5.7 to 2023.7.22 in /requirements

Bumps [certifi](https://github.com/certifi/python-certifi) from 2023.5.7 to 2023.7.22.
- [Commits](certifi/python-certifi@2023.05.07...2023.07.22)

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

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

requirements/requirements-ci-freeze.txt

@@ -5,7 +5,7 @@ bcrypt==4.0.1
 bleach==6.0.0
 bottle==0.12.25
 build==0.10.0
-certifi==2023.5.7
+certifi==2023.7.22
 cffi==1.15.1
 charset-normalizer==3.2.0
 check-manifest==0.49