making homebrew audit happy

Author: mvp

Formula/uhubctl.rb

@@ -1,10 +1,10 @@
 class Uhubctl < Formula
   desc "USB hub per-port power control"
   homepage "https://github.com/mvp/uhubctl"
+  license "GPL-2.0-only"
   url "https://github.com/mvp/uhubctl/archive/refs/tags/v2.6.0.tar.gz"
   sha256 "56ca15ddf96d39ab0bf8ee12d3daca13cea45af01bcd5a9732ffcc01664fdfa2"
   head "https://github.com/mvp/uhubctl.git", branch: "master"
-  license "GPL-2.0-only"
 
   depends_on "pkg-config" => :build
   depends_on "libusb"