1.20 migration notice

Please read https://doc.getlago.com/guide/migration/migration-to-v1.20.0 before upgrading to this version (if you haven't already)

What's Changed

• chore(docker-compose): Simplify docker compose file by @jdenquin in #452
• chore(release): bump version to 1.20.2 by @nudded in #460

Full Changelog: v1.20.1...v1.20.2