- Replace dtolnay/rust-toolchain with manual rustup (not on forgejo mirror)
- Replace docker-compose with docker compose (v2)
- Add rsync install before tmt
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Merge SSL env vars into existing env block instead of creating a
duplicate (YAML doesn't allow duplicate top-level keys).
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>