Refactor CI and dev workflow with buildx bake (#247)

* Upload artifacts
* Add image-local target
* Single job for artifacts and image
* Add armv5 artifact

Co-authored-by: CrazyMax <crazy-max@users.noreply.github.com>

cmd/main.go

@@ -47,7 +47,7 @@ func main() {
 		kong.Description(fmt.Sprintf("%s. More info: %s", meta.Desc, meta.URL)),
 		kong.UsageOnError(),
 		kong.Vars{
-			"version": fmt.Sprintf("%s", version),
+			"version": version,
 		},
 		kong.ConfigureHelp(kong.HelpOptions{
 			Compact: true,