[desktop] Add additional types for electron auto updating

Summary: This diff adds types for autoUpdater module and other properties used in the later diffs. They are taken from the official electron documentation. Documentation

Test Plan: Run flow in the desktop workspace. Also run flow including diffs later on in the stack

Reviewers: tomek, inka, ginsu

Reviewed By: tomek

Subscribers: ashoat, atul

Differential Revision: https://phab.comm.dev/D6321