Chartpress

New features added

- Define pre-commit hook [127](https://github.com/jupyterhub/chartpress/pull/127) ([minrk](https://github.com/minrk))

Maintenance and upkeep improvements

- Rename master to main [128](https://github.com/jupyterhub/chartpress/pull/128) ([consideRatio](https://github.com/consideRatio))

Contributors to this release

([GitHub contributors page for this release](https://github.com/jupyterhub/chartpress/graphs/contributors?from=2021-04-12&to=2021-06-23&type=c))

[consideRatio](https://github.com/search?q=repo%3Ajupyterhub%2Fchartpress+involves%3AconsideRatio+updated%3A2021-04-12..2021-06-23&type=Issues) | [minrk](https://github.com/search?q=repo%3Ajupyterhub%2Fchartpress+involves%3Aminrk+updated%3A2021-04-12..2021-06-23&type=Issues)

Enhancements made

- Optionally use buildx to build for multiple platforms [123](https://github.com/jupyterhub/chartpress/pull/123) ([manics](https://github.com/manics))
- Add skipPlatforms option for multi-platform docker buildx images [124](https://github.com/jupyterhub/chartpress/pull/124) ([manics](https://github.com/manics))

Maintenance and upkeep improvements

- Add mock tests for public chartpress methods that call commands [120](https://github.com/jupyterhub/chartpress/pull/120) ([manics](https://github.com/manics))
- Add pre-commit [119](https://github.com/jupyterhub/chartpress/pull/119) ([manics](https://github.com/manics))
- Update readme [122](https://github.com/jupyterhub/chartpress/pull/122) ([manics](https://github.com/manics))
- Fix pytest lru_cache invalidation [121](https://github.com/jupyterhub/chartpress/pull/121) ([manics](https://github.com/manics))

Contributors to this release

([GitHub contributors page for this release](https://github.com/jupyterhub/chartpress/graphs/contributors?from=2021-01-20&to=2021-04-11&type=c))

[consideRatio](https://github.com/search?q=repo%3Ajupyterhub%2Fchartpress+involves%3AconsideRatio+updated%3A2021-01-20..2021-04-11&type=Issues) | [manics](https://github.com/search?q=repo%3Ajupyterhub%2Fchartpress+involves%3Amanics+updated%3A2021-01-20..2021-04-11&type=Issues)

Bugs fixed

- fix: preserve quote formatting for image tags also [115](https://github.com/jupyterhub/chartpress/pull/115) ([consideRatio](https://github.com/consideRatio))

Maintenance and upkeep improvements

- refactor: rename two local variables for readability [114](https://github.com/jupyterhub/chartpress/pull/114) ([consideRatio](https://github.com/consideRatio))

Enhancements made

- allow standard `--no-build` prefix for disabling builds [110](https://github.com/jupyterhub/chartpress/pull/110) ([minrk](https://github.com/minrk))

Bugs fixed

- Fix --list-images to not update Chart.yaml's version [112](https://github.com/jupyterhub/chartpress/pull/112) ([consideRatio](https://github.com/consideRatio))

Contributors to this release

([GitHub contributors page for this release](https://github.com/jupyterhub/chartpress/graphs/contributors?from=2020-12-04&to=2020-12-14&type=c))

[consideRatio](https://github.com/search?q=repo%3Ajupyterhub%2Fchartpress+involves%3AconsideRatio+updated%3A2020-12-04..2020-12-14&type=Issues) | [minrk](https://github.com/search?q=repo%3Ajupyterhub%2Fchartpress+involves%3Aminrk+updated%3A2020-12-04..2020-12-14&type=Issues)

Bugs fixed

- only apply strict version checking for charts to be published [109](https://github.com/jupyterhub/chartpress/pull/109) ([minrk](https://github.com/minrk))
- fix: compute tag per image [108](https://github.com/jupyterhub/chartpress/pull/108) ([danielnorberg](https://github.com/danielnorberg))

Contributors to this release

([GitHub contributors page for this release](https://github.com/jupyterhub/chartpress/graphs/contributors?from=2020-12-03&to=2020-12-04&type=c))

[consideRatio](https://github.com/search?q=repo%3Ajupyterhub%2Fchartpress+involves%3AconsideRatio+updated%3A2020-12-03..2020-12-04&type=Issues) | [danielnorberg](https://github.com/search?q=repo%3Ajupyterhub%2Fchartpress+involves%3Adanielnorberg+updated%3A2020-12-03..2020-12-04&type=Issues) | [minrk](https://github.com/search?q=repo%3Ajupyterhub%2Fchartpress+involves%3Aminrk+updated%3A2020-12-03..2020-12-04&type=Issues)