fix(action): crd resources can be empty

Signed-off-by: Manuel Alonso <434575+manute@users.noreply.github.com>
(cherry picked from commit 268593bf2e)

pkg/action/install.go

@@ -187,6 +187,10 @@ func (i *Install) installCRDs(crds []chart.CRD) error {
 			return fmt.Errorf("failed to install CRD %s: %w", obj.Name, err)
 		}
 
+		if res == nil {
+			return fmt.Errorf("failed to install CRD %s: resources are empty", obj.Name)
+		}
+
 		// Send them to Kube
 		if _, err := i.cfg.KubeClient.Create(
 			res,