recover kube-open version

Signed-off-by: runzexia <runzexia@yunify.com>

vendor/github.com/modern-go/reflect2/reflect2.go

@@ -150,6 +150,9 @@ func (cfg *frozenConfig) TypeOf(obj interface{}) Type {
 }
 
 func (cfg *frozenConfig) Type2(type1 reflect.Type) Type {
+	if type1 == nil {
+		return nil
+	}
 	cacheKey := uintptr(unpackEFace(type1).data)
 	typeObj, found := cfg.cache.Load(cacheKey)
 	if found {