build(deps): bump certifi in /admin/polytope-admin

Bumps [certifi](https://github.com/certifi/python-certifi) from 2019.6.16 to 2024.7.4.
- [Commits](certifi/python-certifi@2019.06.16...2024.07.04)

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

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

admin/polytope-admin/requirements.txt

@@ -1,5 +1,5 @@
 attrs==19.1.0
-certifi==2019.6.16
+certifi==2024.7.4
 chardet==3.0.4
 Click==7.0
 docstring-parser==0.3