Setup Git User Versions Save

What's Changed

• Use local git config by @fregante in https://github.com/fregante/setup-git-user/pull/11

Full Changelog: https://github.com/fregante/setup-git-user/compare/v2...v2.0.1

• Use raw git commands by @fregante in https://github.com/fregante/setup-git-user/pull/10

This should improve compatibility, as long as you have git installed in your action runner (it's there by default)

• 2e28d519 Update default runtime to node16 (#7)

• 5ede2be5 Use the actual GitHub Actions bot email (#1)