Summary

Bumped Traefik to v3. This is a breaking change, as the SITES environment variable has been replaced with SITES_RULE.

See the migration guide for details.

What's Changed

chore: Update Traefik to version 3.6 and add migration documentation by @Rocket-Quack
in #1796

Full Changelog: v1.0.1 → v2.0.0