happa release v1.39.3

Apr 8, 2022 Developer Portal happa v1.39.3

Changes

Fix token refreshing request issued twice with the same refresh token by @kuosandys in https://github.com/giantswarm/happa/pull/3322
Auto refresh relative dates by @gusevda in https://github.com/giantswarm/happa/pull/3329

Full Changelog: https://github.com/giantswarm/happa/compare/v1.39.2...v1.39.3