What problem does this address?

The Docker builds are not cached, causing integration tests to take upwards of 4 minutes.

We should cache them and consider switching to a muti-stage build and/or buildx.

What is your proposed solution?

https://evilmartians.com/chronicles/build-images-on-github-actions-with-docker-layer-caching

What alternatives have you considered?

No response

Additional Context

No response