Update vendor (#1414)

vendor/github.com/mgutz/ansi/ansi.go

@@ -24,9 +24,11 @@ const (
 	highIntensityBG   = 100
 
 	start         = "\033["
+	normal        = "0;"
 	bold          = "1;"
-	blink         = "5;"
+	dim           = "2;"
 	underline     = "4;"
+	blink         = "5;"
 	inverse       = "7;"
 	strikethrough = "9;"
 
@@ -164,10 +166,14 @@ func colorCode(style string) *bytes.Buffer {
 
 	buf.WriteString(start)
 	base := normalIntensityFG
+	buf.WriteString(normal) // reset any previous style
 	if len(fgStyle) > 0 {
 		if strings.Contains(fgStyle, "b") {
 			buf.WriteString(bold)
 		}
+		if strings.Contains(fgStyle, "d") {
+			buf.WriteString(dim)
+		}
 		if strings.Contains(fgStyle, "B") {
 			buf.WriteString(blink)
 		}