[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/log.go b/vendor/github.com/go-redis/redis/v8/internal/log.go
index 3810f9e..c8b9213 100644
--- a/vendor/github.com/go-redis/redis/v8/internal/log.go
+++ b/vendor/github.com/go-redis/redis/v8/internal/log.go
@@ -19,6 +19,8 @@
 	_ = l.log.Output(2, fmt.Sprintf(format, v...))
 }
 
+// Logger calls Output to print to the stderr.
+// Arguments are handled in the manner of fmt.Print.
 var Logger Logging = &logger{
 	log: log.New(os.Stderr, "redis: ", log.LstdFlags|log.Lshortfile),
 }