Using custom build cache in user home directory

[ArneTR]

These settings would help speed up the build on systems where GMT is tested DinD
As caches are then mounted into the container where GMT is built

However docker drivers which support DinD often do not support the cache_from and cache_to
We keep this in for now for processing in the future. For now implementation of this is blocked

Error message we get:

Cache export is not supported for the docker driver.
Switch to a different driver, or turn on the containerd image store, and try again.
Learn more at https://docs.docker.com/go/build-cache-backends/