Summary:
Automatically create a GitHub Release draft when a new React Native release is created.
The GitHub Release will be created by the same Circle CI job that publishes the package to npm.
This job will also upload the built Hermes binaries to the GitHub release.
Changelog: [Internal]
Reviewed By: cipolleschi
Differential Revision: D36646696
fbshipit-source-id: 0a863dc4e3215fc95f7852f8dc43858cdd852aaa
Héctor Ramos