feat: support VPAs

introduce and leverage KSM's CRS featureset and support VPAs using that

Signed-off-by: Pranshu Srivastava <[email protected]>

Author: rexagod

assets/kube-state-metrics/cluster-role.yaml

@@ -128,3 +128,17 @@ rules:
   verbs:
   - list
   - watch
+- apiGroups:
+  - autoscaling.k8s.io
+  resources:
+  - verticalpodautoscalers
+  verbs:
+  - list
+  - watch
+- apiGroups:
+  - apiextensions.k8s.io
+  resources:
+  - customresourcedefinitions
+  verbs:
+  - list
+  - watch