happa release v1.32.0

Guide users to create a first node pool after cluster creation by @kuosandys in https://github.com/giantswarm/happa/pull/2941
Fix current selected version details for installed app stuck in loading state by @kuosandys in https://github.com/giantswarm/happa/pull/2934
Fix deleted cluster description stuck in loading state by @kuosandys in https://github.com/giantswarm/happa/pull/2929
Fix: take into account that the .spec property of a StorageConfig can be empty by @axbarsan in https://github.com/giantswarm/happa/pull/2942

Full Changelog: https://github.com/giantswarm/happa/compare/v1.31.1...v1.32.0