Update deps to Kube 1.11.3

This updates the dependencies to Kube 1.11.3 to pull in a fix allowing
requestheader auth to be used without normal client auth (which makes
things work on clusters that don't enable client auth normally, like
EKS).

vendor/github.com/go-openapi/spec/parameter.go

@@ -64,6 +64,7 @@ func ParamRef(uri string) *Parameter {
 	return p
 }
 
+// ParamProps describes the specific attributes of an operation parameter
 type ParamProps struct {
 	Description     string  `json:"description,omitempty"`
 	Name            string  `json:"name,omitempty"`