kubeconfig: store some state about kubeconfig in the configmap to save NFS hits
Have less NFS filesystem traffic by storing some state in our state configmap.
After all accounts have stored this information in their state configmap, the needs_update() function can be patched again to always return False.
Bug: T366564 Signed-off-by: Arturo Borrero Gonzalez aborrero@wikimedia.org