Merge pull request #773 from flatcar/kai/helm

charts: Update Helm chart to work with new container image

Nebraska 2.9.0

Note that the container images are now published under
ghcr.io/flatcar/nebraska:2.9.0

Merge pull request #659 from mkilchhofer/feature/helm-chart_extra-man…

…ifests

feat(helm-chart): Add ability to deploy extra manifests

Merge pull request #647 from kinvolk/front-updates

Minimal frontend updates, drop support for old node versions (12.x, 14.x), new Ubuntu LTS on CI

Merge pull request #622 from mkilchhofer/chart/upgrade_postgres_depen…

…dency

chart: Upgrade postgres dependency to latest major version

Merge pull request #622 from mkilchhofer/chart/upgrade_postgres_depen…

…dency

chart: Upgrade postgres dependency to latest major version

Merge pull request #620 from kinvolk/fix_group_edit

frontend: Fix undefined appId breaking group edit

Release 2.8.3

Release 2.8.2