docker builds

[pyramation]

https://github.com/launchql/sqitch-node-docker/actions/workflows/build-docker.yml

https://github.com/launchql/sqitch-node-docker

https://github.com/launchql/launchql-docker/tree/master/node-20.12.0/sqitch

[pyramation]

make smaller: https://hub.docker.com/r/pyramation/node-sqitch/tags