VOL-2112 move to voltha-lib-go

Change-Id: Ic1af08003c1d2c698c0cce371e64f47b47b8d875
diff --git a/vendor/github.com/Shopify/sarama/dev.yml b/vendor/github.com/Shopify/sarama/dev.yml
index 97eed3a..3f4d569 100644
--- a/vendor/github.com/Shopify/sarama/dev.yml
+++ b/vendor/github.com/Shopify/sarama/dev.yml
@@ -2,7 +2,7 @@
 
 up:
   - go:
-      version: '1.11'
+      version: '1.12'
 
 commands:
   test: