e91d6c0b09
Switch from :host to :docker execution so jobs run inside containers. - Labels use docker://ghcr.io/catthehacker/ubuntu:act-22.04 (Python 3.10, Node 18, Docker CLI — everything CI jobs need pre-installed) - config.yaml passes docker.sock through to job containers for build/push - Capacity set to 2 parallel jobs Fixes: 'Cannot find: node in PATH' — actions/checkout@v4 requires Node