build(deps): 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](certifi/python-certifi@2024.02.02...2024.07.04)

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

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

requirements/docs.txt

@@ -6,7 +6,7 @@
 #
 alabaster==0.7.13
 babel==2.14.0
-certifi==2024.2.2
+certifi==2024.7.4
 charset-normalizer==3.3.2
 docutils==0.20.1
 idna==3.7