klausctl release v0.5.0

Added

• –local-image starts an instance from a local image, no pull in #367 by @teemow

Changed

• Align files according to platform standards in #366 by @giantswarm-align-files[bot]

Full Changelog: https://github.com/giantswarm/klausctl/compare/v0.4.22...v0.5.0