Migrate to GitHub Actions

What's Changed

• build: migrate to GitHub Actions [BB-7150] by @Agrendalath in #25
• build: fix requirements regexp by @Agrendalath in #26
• chore: update version by @Agrendalath in #27
• fix: include static files in Python package by @Agrendalath in #29

Full Changelog: v1.3.0...v1.3.3