Bump certifi from 2024.2.2 to 2024.7.4 in /requirements

Bumps [certifi](https://github.com/certifi/python-certifi) from 2024.2.2 to 2024.7.4.
- [Commits](https://github.com/certifi/python-certifi/compare/2024.02.02...2024.07.04)

---
updated-dependencies:
- dependency-name: certifi
  dependency-type: indirect
...

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

requirements/dev.txt

@@ -19,7 +19,7 @@ blinker==1.8.1
     #   flask
 cachetools==5.3.3
     # via tox
-certifi==2024.2.2
+certifi==2024.7.4
     # via
     #   -r docs.txt
     #   requests

requirements/docs.txt

@@ -8,7 +8,7 @@ alabaster==0.7.13
     # via sphinx
 babel==2.14.0
     # via sphinx
-certifi==2024.2.2
+certifi==2024.7.4
     # via requests
 charset-normalizer==3.3.2
     # via requests