klausctl release v0.0.60

What’s Changed

• fix(deps): update module github.com/spf13/pflag to v1.0.10 by @renovate[bot] in https://github.com/giantswarm/klausctl/pull/197

Full Changelog: https://github.com/giantswarm/klausctl/compare/v0.0.59...v0.0.60