Attempt to upgrade release scripts
Attempt to upgrade release scripts

Summary:
We got a heads-up from the GitHub support that the way we use our
access tokens is deprecated and will soon stop working.

More details here: https://developer.github.com/changes/2020-02-10-deprecating-auth-through-query-param/

Reviewed By: jknoxville

Differential Revision: D23003718

fbshipit-source-id: e2a493be97cdc81161791a1bb07864853ca5049c

facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper