Update Rhymen/go-whatsapp vendor (#876)

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

@@ -6,15 +6,18 @@ import (
 )
 
 var (
-	ErrAlreadyConnected  = errors.New("already connected")
-	ErrAlreadyLoggedIn   = errors.New("already logged in")
-	ErrInvalidSession    = errors.New("invalid session")
-	ErrLoginInProgress   = errors.New("login or restore already running")
-	ErrNotConnected      = errors.New("not connected")
-	ErrInvalidWsData     = errors.New("received invalid data")
-	ErrConnectionTimeout = errors.New("connection timed out")
-	ErrMissingMessageTag = errors.New("no messageTag specified or to short")
-	ErrInvalidHmac       = errors.New("invalid hmac")
+	ErrAlreadyConnected       = errors.New("already connected")
+	ErrAlreadyLoggedIn        = errors.New("already logged in")
+	ErrInvalidSession         = errors.New("invalid session")
+	ErrLoginInProgress        = errors.New("login or restore already running")
+	ErrNotConnected           = errors.New("not connected")
+	ErrInvalidWsData          = errors.New("received invalid data")
+	ErrInvalidWsState         = errors.New("can't handle binary data when not logged in")
+	ErrConnectionTimeout      = errors.New("connection timed out")
+	ErrMissingMessageTag      = errors.New("no messageTag specified or to short")
+	ErrInvalidHmac            = errors.New("invalid hmac")
+	ErrInvalidServerResponse  = errors.New("invalid response received from server")
+	ErrServerRespondedWith404 = errors.New("server responded with status 404")
 )
 
 type ErrConnectionFailed struct {