chore(deps): bump certifi from 2022.9.24 to 2024.7.4 in /docs

Bumps [certifi](https://github.com/certifi/python-certifi) from 2022.9.24 to 2024.7.4.
- [Commits](certifi/python-certifi@2022.09.24...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 @@
 cairocffi==1.4.0
 CairoSVG==2.5.2
-certifi==2022.9.24
+certifi==2024.7.4
 cffi==1.15.1
 charset-normalizer==2.1.1
 click==8.1.3