happa release v1.39.0

Changes

• There is now a guide explaining how to upgrade a cluster via the Management API. Note: it only appears if an upgrade is available. By @gusevda in https://github.com/giantswarm/happa/pull/3303
• For clusters on Azure, we now show the Azure Tenant ID on the cluster details page. By @gusevda in https://github.com/giantswarm/happa/pull/3294
• Fixed a problem in the organization access control > permissions UI where content would sometimes get displayed only after a delay. By @gusevda in https://github.com/giantswarm/happa/pull/3298

Full Changelog: https://github.com/giantswarm/happa/compare/v1.38.1...v1.39.0