fix: update go.bug.st/serial to v1.6.4

Author: dido18

go.mod

@@ -21,7 +21,7 @@ require (
 	github.com/skratchdot/open-golang v0.0.0-20200116055534-eef842397966
 	github.com/stretchr/testify v1.9.0
 	github.com/xrash/smetrics v0.0.0-20170218160415-a3153f7040e9
-	go.bug.st/serial v1.6.3
+	go.bug.st/serial v1.6.4
 	goa.design/goa/v3 v3.16.1
 	golang.org/x/sys v0.23.0
 	gopkg.in/inconshreveable/go-update.v0 v0.0.0-20150814200126-d8b0b1d421aa