build(deps): bump certifi in /docker/sane-doc-reports

Bumps [certifi](https://github.com/certifi/python-certifi) from 2024.12.14 to 2025.1.31.
- [Commits](certifi/python-certifi@2024.12.14...2025.01.31)

---
updated-dependencies:
- dependency-name: certifi
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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