gRPC migration update

Change-Id: Icdd1a824948fa994cd36bd121c962f5ecf74e3cf
diff --git a/vendor/github.com/Shopify/sarama/sasl_authenticate_request.go b/vendor/github.com/Shopify/sarama/sasl_authenticate_request.go
index 54c8b09..90504df 100644
--- a/vendor/github.com/Shopify/sarama/sasl_authenticate_request.go
+++ b/vendor/github.com/Shopify/sarama/sasl_authenticate_request.go
@@ -24,6 +24,10 @@
 	return 0
 }
 
+func (r *SaslAuthenticateRequest) headerVersion() int16 {
+	return 1
+}
+
 func (r *SaslAuthenticateRequest) requiredVersion() KafkaVersion {
 	return V1_0_0_0
 }