gRPC migration update

Change-Id: Icdd1a824948fa994cd36bd121c962f5ecf74e3cf
diff --git a/vendor/github.com/Shopify/sarama/delete_topics_request.go b/vendor/github.com/Shopify/sarama/delete_topics_request.go
index 911f67d..ba6780a 100644
--- a/vendor/github.com/Shopify/sarama/delete_topics_request.go
+++ b/vendor/github.com/Shopify/sarama/delete_topics_request.go
@@ -38,6 +38,10 @@
 	return d.Version
 }
 
+func (d *DeleteTopicsRequest) headerVersion() int16 {
+	return 1
+}
+
 func (d *DeleteTopicsRequest) requiredVersion() KafkaVersion {
 	switch d.Version {
 	case 1: