Build(deps): Bump certifi from 2026.5.20 to 2026.6.17

Bumps [certifi](https://github.com/certifi/python-certifi) from 2026.5.20 to 2026.6.17.
- [Commits](certifi/python-certifi@2026.05.20...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]

constraints.txt

@@ -4,7 +4,7 @@ attrs==26.1.0
 babel==2.18.0
 backports.asyncio.runner==1.2.0
 backports.tarfile==1.2.0
-certifi==2026.5.20
+certifi==2026.6.17
 charset-normalizer==3.4.7
 check-wheel-contents==0.6.3
 cffi==2.0.0