SIM-GH Action to build docker images and push them to the registry on merge to main

[sevenearths]

[sevenearths]

Problems with running tests on MacOS locally with act.

nektos/act#97

[sevenearths]

Rabbit holes I went down while trying to get this to work on macos:
https://github.com/abiosoft/colima
https://blog.netnerds.net/2022/11/docker-macos-github-actions/
nektos/act#97
https://github.com/ddev/ddev/blob/05ceed549d7807b1cebd63082910e54c37b1319e/.github/workflows/colima-tests.yml#L102-L106
abiosoft/colima#905 (comment)
https://github.com/crazy-max/ghaction-setup-docker

[AgustinRamiroDiaz]

Closing in favor of #319