Update dependencies (#975)

vendor/github.com/Rhymen/go-whatsapp/handler.go

@@ -82,13 +82,21 @@ type LocationMessageHandler interface {
 }
 
 /*
-The StickerMessageHandler interface needs to be implemented to receive location messages dispatched by the dispatcher.
+The StickerMessageHandler interface needs to be implemented to receive sticker messages dispatched by the dispatcher.
 */
 type StickerMessageHandler interface {
 	Handler
 	HandleStickerMessage(message StickerMessage)
 }
 
+/*
+The ContactMessageHandler interface needs to be implemented to receive contact messages dispatched by the dispatcher.
+*/
+type ContactMessageHandler interface {
+	Handler
+	HandleContactMessage(message ContactMessage)
+}
+
 /*
 The JsonMessageHandler interface needs to be implemented to receive json messages dispatched by the dispatcher.
 These json messages contain status updates of every kind sent by WhatsAppWeb servers. WhatsAppWeb uses these messages
@@ -267,6 +275,17 @@ func (wac *Conn) handleWithCustomHandlers(message interface{}, handlers []Handle
 			}
 		}
 
+	case ContactMessage:
+		for _, h := range handlers {
+			if x, ok := h.(ContactMessageHandler); ok {
+				if wac.shouldCallSynchronously(h) {
+					x.HandleContactMessage(m)
+				} else {
+					go x.HandleContactMessage(m)
+				}
+			}
+		}
+
 	case *proto.WebMessageInfo:
 		for _, h := range handlers {
 			if x, ok := h.(RawMessageHandler); ok {