v0.4.0-alpha.1

What's Changed

• Support checkout from PR Reference by @neogopher in #666
• Fix clone ssh repo by @neogopher in #668
• docs: add create workspace visual examples by @89luca89 in #678
• fix: use ubuntu-20 image for linux builds by @89luca89 in #679
• Driver refactor by @FabianKramm in #675
• improvements to error handling in import-workspace by @pbialon in #680
• refactor: add dockerless ignore paths & fix ssh server home by @FabianKramm in #682
• dockerless improvements by @FabianKramm in #684

Full Changelog: v0.3.7...v0.4.0-alpha.1