Redirect to a presigned URL of HEAD for HEAD requests (#35088)

Resolves https://github.com/go-gitea/gitea/issues/35086.

---------

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

routers/api/packages/helm/helm.go

@@ -128,6 +128,7 @@ func DownloadPackageFile(ctx *context.Context) {
 		&packages_service.PackageFileInfo{
 			Filename: filename,
 		},
+		ctx.Req.Method,
 	)
 	if err != nil {
 		if errors.Is(err, packages_model.ErrPackageFileNotExist) {