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

Signed-off-by: balaji.nagarajan <balaji.nagarajan@radisys.com>
Change-Id: I92702118bef90623ef7c68c646c86634e60d889d
diff --git a/vendor/go.uber.org/zap/encoder.go b/vendor/go.uber.org/zap/encoder.go
index 08ed833..caa04ce 100644
--- a/vendor/go.uber.org/zap/encoder.go
+++ b/vendor/go.uber.org/zap/encoder.go
@@ -63,7 +63,7 @@
 
 func newEncoder(name string, encoderConfig zapcore.EncoderConfig) (zapcore.Encoder, error) {
 	if encoderConfig.TimeKey != "" && encoderConfig.EncodeTime == nil {
-		return nil, fmt.Errorf("missing EncodeTime in EncoderConfig")
+		return nil, errors.New("missing EncodeTime in EncoderConfig")
 	}
 
 	_encoderMutex.RLock()