[yarn] Move gaxios dependency from native to root package.json

Summary:
So that the gaxios dependency can be resolved from comm/scripts/generate-phab-tag-removal-script.js.

Depends on D4690

Test Plan: CI

Reviewers: ashoat, tomek, jacek, abosh

Reviewed By: ashoat

Subscribers: adrian

Differential Revision: https://phab.comm.dev/D4691