v3.4.0

Reintroduce Cluster Autoscaler `label` and `taint` tags @tionichm (#221)

## what - Uncomment Kubernetes label and taint tags. - Merge kubernetes tags with node group tags.

why

• AWS does not label node groups with these automatically, consequently Cluster Autoscaler would have issues scaling from 0 instances.

references

• https://github.com/kubernetes/autoscaler/blob/master/cluster-autoscaler/cloudprovider/aws/README.md#auto-discovery-setup