happa release v1.0.4

Changed

• Improve upgrade UX during Azure V4 to V5 cluster upgrade (#1977)
• UX enhancements in the “About upgrading” dialog (#1966)
• Let users retry creating a cluster, if there are server-side errors (#1974)

Fixed

• Display node pool creation error when trying to create a cluster and NPs at the same time, and node pool creation fails (#1972)