Bump certifi from 2024.2.2 to 2024.7.4 in /docs

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: direct:production
...

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

docs/requirements.txt

@@ -1,6 +1,6 @@
 alabaster==0.7.13 ; python_version >= "3.8"
 babel==2.14.0 ; python_version >= "3.8"
-certifi==2024.2.2 ; python_version >= "3.8"
+certifi==2024.7.4 ; python_version >= "3.8"
 charset-normalizer==3.3.2 ; python_version >= "3.8"
 colorama==0.4.6 ; python_version >= "3.8" and sys_platform == "win32"
 docutils==0.20.1 ; python_version >= "3.8"