Bump certifi from 2024.6.2 to 2024.7.4 in /docs (#454)

Bumps [certifi](https://github.com/certifi/python-certifi) from 2024.6.2 to 2024.7.4.
- [Commits](certifi/python-certifi@2024.06.02...2024.07.04)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

docs/requirements.txt

@@ -10,7 +10,7 @@ babel==2.15.0
     # via sphinx
 beautifulsoup4==4.12.3
     # via furo
-certifi==2024.6.2
+certifi==2024.7.4
     # via requests
 charset-normalizer==3.3.2
     # via requests