chore(deps): bump @actions/github from 2.2.0 to 4.0.0

Bumps [@actions/github](https://github.com/actions/toolkit/tree/HEAD/packages/github) from 2.2.0 to 4.0.0.
- [Release notes](https://github.com/actions/toolkit/releases)
- [Changelog](https://github.com/actions/toolkit/blob/master/packages/github/RELEASES.md)
- [Commits](https://github.com/actions/toolkit/commits/HEAD/packages/github)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]