GKB 3.1.0

Generic resource view, cluster overview and security hardening.

Highlights:
* Resource view for arbitrary Kubernetes objects of a namespace, with
  YAML view and editor, service proxy and cluster overview.
* Workloads can be scaled, and objects that are not coming up name the
  reason - CrashLoopBackOff, ImagePullBackOff, Unhealthy and friends.
* Related resources per application: what it consists of, what it needs
  and how it is reached.
* Project overview with search, filters and a GitLab group hierarchy.
* Security: no service account of a bridge namespace keeps cluster-wide
  permissions any more. This closes a path to cluster-wide secret read.