[ws-manager-mk2] Import dashboard (#16532)

Author: WVerlaek

operations/observability/mixins/workspace/dashboards.libsonnet

@@ -14,6 +14,7 @@
     'gitpod-component-registry-facade.json': (import 'dashboards/components/registry-facade.json'),
     'gitpod-component-ws-daemon.json': (import 'dashboards/components/ws-daemon.json'),
     'gitpod-component-ws-manager.json': (import 'dashboards/components/ws-manager.json'),
+    'gitpod-component-ws-manager-mk2.json': (import 'dashboards/components/ws-manager-mk2.json'),
     'gitpod-component-ws-proxy.json': (import 'dashboards/components/ws-proxy.json'),
     'gitpod-workspace-success-criteria.json': (import 'dashboards/success-criteria.json'),
     'gitpod-workspace-coredns.json': (import 'dashboards/coredns.json'),