v3.9.0

What's Changed

• ci: add Github Actions by @arutkowski00 in #4
• ci: add missing env variable by @arutkowski00 in #5
• ci: add GEM_HOST_API_KEY by @arutkowski00 in #6
• chore: upgrade packages by @arutkowski00 in #8
• ci: add BUNDLE_FROZEN: false to allow semantic release by @arutkowski00 in #9
• ci: use different github token for release by @arutkowski00 in #10

Full Changelog: v3.8.5...v3.9.0