happa release v1.51.2

Sep 21, 2022 Developer Portal happa v1.51.2

Changes

Fix UI bugs in App Details page by @kuosandys in https://github.com/giantswarm/happa/pull/3736
We made some internal changes towards supporting app installation on Cluster API provider GCP (Google Cloud Platform)

Full Changelog: https://github.com/giantswarm/happa/compare/v1.51.1...v1.51.2