remove cobra dependency for agent

beszel/cmd/hub/hub.go

@@ -22,7 +22,7 @@ func main() {
 	app.RootCmd.AddCommand(&cobra.Command{
 		Use:   "update",
 		Short: "Update " + beszel.AppName + " to the latest version",
-		Run:   update.UpdateBeszel,
+		Run:   func(_ *cobra.Command, _ []string) { update.UpdateBeszel() },
 	})
 
 	hubApp := hub.NewHub(app)

beszel/internal/update/update.go

@@ -8,10 +8,9 @@ import (
 
 	"github.com/blang/semver"
 	"github.com/rhysd/go-github-selfupdate/selfupdate"
-	"github.com/spf13/cobra"
 )
 
-func UpdateBeszel(cmd *cobra.Command, args []string) {
+func UpdateBeszel() {
 	var latest *selfupdate.Release
 	var found bool
 	var err error