chore pip deps: update histoprint requirement from ~=2.3.0 to ~=2.4.0 (#195)
chore pip deps: update histoprint requirement from ~=2.3.0 to ~=2.4.0 (#195)

Updates the requirements on [histoprint](https://github.com/scikit-hep/histoprint) to permit the latest version.
- [Release notes](https://github.com/scikit-hep/histoprint/releases)
- [Changelog](https://github.com/scikit-hep/histoprint/blob/master/CHANGELOG.md)
- [Commits](https://github.com/scikit-hep/histoprint/compare/v2.3.0...v2.4.0)

---
updated-dependencies:
- dependency-name: histoprint
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
scikit-hep/scikit-hep