Bump certifi from 2026.2.25 to 2026.6.17

Bumps [certifi](https://github.com/certifi/python-certifi) from 2026.2.25 to 2026.6.17.
- [Commits](certifi/python-certifi@2026.02.25...2026.06.17)

---
updated-dependencies:
- dependency-name: certifi
  dependency-version: 2026.6.17
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]