Update oga requirement from ~> 2.0 to ~> 3.2
Update oga requirement from ~> 2.0 to ~> 3.2

Updates the requirements on [oga](https://gitlab.com/yorickpeterse/oga) to permit the latest version.
- [Release notes](https://gitlab.com/yorickpeterse/oga/tags)
- [Changelog](https://gitlab.com/yorickpeterse/oga/blob/master/CHANGELOG.md)
- [Commits](https://gitlab.com/yorickpeterse/oga/compare/v2.0.0...v3.2)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
nbulaj/proxy_fetcher