Bump pipenv from 2023.6.2 to 2023.6.12 in /{{cookiecutter.project_slu…

…g}} (#579)

Bumps [pipenv](https://github.com/pypa/pipenv) from 2023.6.2 to 2023.6.12.
- [Release notes](https://github.com/pypa/pipenv/releases)
- [Changelog](https://github.com/pypa/pipenv/blob/main/CHANGELOG.rst)
- [Commits](pypa/pipenv@v2023.6.2...v2023.6.12)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>