happa release v1.57.9

Mar 22, 2023 Web UI happa v1.57.9

Changes

JSON schema form payload cleaning was added by @gusevda in https://github.com/giantswarm/happa/pull/4165

Full Changelog: https://github.com/giantswarm/happa/compare/v1.57.8...v1.57.9

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