edit go.mod to embed pluto v0.4.0

Author: roaldchristesen

go.mod

@@ -48,7 +48,7 @@ require (
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
-	github.com/sndcds/pluto v0.3.0
+	github.com/sndcds/pluto v0.4.0
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
 	github.com/ugorji/go/codec v1.3.0 // indirect
 	golang.org/x/arch v0.22.0 // indirect