feat: shed: report the "user version"

This version includes the network name and commit, for easier debugging.

cmd/lotus-shed/main.go

@@ -77,7 +77,7 @@ func main() {
 	app := &cli.App{
 		Name:     "lotus-shed",
 		Usage:    "A place for all the lotus tools",
-		Version:  build.BuildVersion,
+		Version:  build.UserVersion(),
 		Commands: local,
 		Flags: []cli.Flag{
 			&cli.StringFlag{