feat: explicitly set version constraint to latest

pkg/plugin/discovery/download.go

@@ -144,7 +144,7 @@ func downloadBatchPlugins(pluginInfos []*plugin.Info, downloadInfo *resolver.Bat
 
 	res := grab.DefaultClient.Do(req)
 	if showProgress {
-		showDownloadProgressBar("batched-plugins.tar.gz", res)
+		showDownloadProgressBar("plugin-archive.tar.gz", res)
 	}
 	err = res.Err()
 	if err != nil {

pkg/plugin/discovery/resolver/registry/registry.go

@@ -95,7 +95,7 @@ func (r *Resolver) BatchResolvePlugins(pluginInfos []*plugin.Info) (*resolver.Ba
 		Plugins: make([]*registry.BatchRequestPlugin, len(pluginInfos)),
 	}
 	for i, pluginInfo := range pluginInfos {
-		versionConstraint := ""
+		versionConstraint := "latest"
 		if pluginInfo.Constraint != nil {
 			versionConstraint = pluginInfo.Constraint.String()
 		}