Bump certifi in /python in the pip group across 1 directory (#6857)

Bumps the pip group with 1 update in the /python directory: [certifi](https://github.com/certifi/python-certifi).


Updates `certifi` from 2023.7.22 to 2024.7.4
- [Commits](certifi/python-certifi@2023.07.22...2024.07.04)

---
updated-dependencies:
- dependency-name: certifi
  dependency-type: direct:production
  dependency-group: pip
...

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

python/requirements_test.txt

@@ -3,4 +3,4 @@ pytest-randomly==3.8.0
 scipy==1.10.1
 tensorboard==2.13.0
 oauthlib==3.2.2
-certifi==2023.7.22
+certifi==2024.7.4