Bump certifi from 2023.7.22 to 2024.7.4 in /requirements

Bumps [certifi](https://github.com/certifi/python-certifi) from 2023.7.22 to 2024.7.4.
- [Commits](https://github.com/certifi/python-certifi/compare/2023.07.22...2024.07.04)

---
updated-dependencies:
- dependency-name: certifi
  dependency-type: indirect
...
Signed-off-by: dependabot[bot] <support@github.com>

requirements/checkdocs.txt

@@ -10,7 +10,7 @@ babel==2.10.3
     # via sphinx
 build==0.8.0
     # via pip-tools
-certifi==2023.7.22
+certifi==2024.7.4
     # via requests
 charset-normalizer==2.1.0
     # via requests

requirements/docs.txt

@@ -10,7 +10,7 @@ babel==2.10.3
     # via sphinx
 build==0.8.0
     # via pip-tools
-certifi==2023.7.22
+certifi==2024.7.4
     # via requests
 charset-normalizer==2.1.0
     # via requests