Bump pipenv from 2026.0.3 to 2026.6.1

Bumps [pipenv](https://github.com/pypa/pipenv) from 2026.0.3 to 2026.6.1.
- [Release notes](https://github.com/pypa/pipenv/releases)
- [Changelog](https://github.com/pypa/pipenv/blob/main/CHANGELOG.md)
- [Commits](pypa/pipenv@v2026.0.3...v2026.6.1)

---
updated-dependencies:
- dependency-name: pipenv
  dependency-version: 2026.6.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Pipfile

@@ -26,7 +26,7 @@ isort = "==7.0.0"
 munch = "==4.0.0"
 typing_extensions = "==4.15.0"
 pip = "==26.0.1"
-pipenv = "==2026.0.3"
+pipenv = "==2026.6.1"
 pydantic = "==2.12.5"
 pydoclint = "==0.8.3"
 pylint = "==4.0.5"