[VOL-5603]:Metrics fix,update protos in voltctl

Signed-off-by: balaji.nagarajan <balaji.nagarajan@radisys.com>
Change-Id: I92702118bef90623ef7c68c646c86634e60d889d
diff --git a/vendor/github.com/go-redis/redis/v8/internal/safe.go b/vendor/github.com/go-redis/redis/v8/internal/safe.go
index 862ff0e..fd2f434 100644
--- a/vendor/github.com/go-redis/redis/v8/internal/safe.go
+++ b/vendor/github.com/go-redis/redis/v8/internal/safe.go
@@ -1,3 +1,4 @@
+//go:build appengine
 // +build appengine
 
 package internal