[dashboard]

Most notable changes

• [USER] If the costObject feature is enabled by the gardener administrator, projects must have a cost object set in order to be able to create a cluster (#619, @petersutter)

Improvements

• [USER] Fixed: Last Errors heading in cluster status popup was always visible, also for clusters without errors (#617, @grolu)
• [USER] A placeholder icon is shown for infrastructures that are unknown for the dashboard (#610, @petersutter)
• [OPERATOR] The dashboard now support polling GitHub issues in case the dashboard's webhook is not reachable from GitHub due to network isolation (#607, @petersutter)