Update github.com/pquerna/otp from untagged to v1.2.0 (#11358)

vendor/github.com/boombuler/barcode/barcode.go

@@ -2,6 +2,21 @@ package barcode
 
 import "image"
 
+const (
+	TypeAztec           = "Aztec"
+	TypeCodabar         = "Codabar"
+	TypeCode128         = "Code 128"
+	TypeCode39          = "Code 39"
+	TypeCode93          = "Code 93"
+	TypeDataMatrix      = "DataMatrix"
+	TypeEAN8            = "EAN 8"
+	TypeEAN13           = "EAN 13"
+	TypePDF             = "PDF417"
+	TypeQR              = "QR Code"
+	Type2of5            = "2 of 5"
+	Type2of5Interleaved = "2 of 5 (interleaved)"
+)
+
 // Contains some meta information about a barcode
 type Metadata struct {
 	// the name of the barcode kind
@@ -17,5 +32,11 @@ type Barcode interface {
 	Metadata() Metadata
 	// the data that was encoded in this barcode
 	Content() string
+}
+
+// Additional interface that some barcodes might implement to provide
+// the value of its checksum.
+type BarcodeIntCS interface {
+	Barcode
 	CheckSum() int
 }