gen-package-licenses.sh: Update URL to CrOS package licensing doc.

BUG=none
TEST=I followed the updated link.

Change-Id: I39178116eee5ad93e456eadbda7512c7b0300a0e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosutils/+/1956538
Tested-by: Matthew Blecker <matthewb@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
diff --git a/hooks/install/gen-package-licenses.sh b/hooks/install/gen-package-licenses.sh
index edcf0c1..8188c80 100755
--- a/hooks/install/gen-package-licenses.sh
+++ b/hooks/install/gen-package-licenses.sh
@@ -28,7 +28,7 @@
 
 If you need help resolving the licensing error you just got, please have a
 look at
-http://www.chromium.org/chromium-os/licensing-for-chromiumos-package-owners
+https://dev.chromium.org/chromium-os/licensing/licensing-for-chromiumos-package-owners
 "
 }