Use delegated docker mount option to speedup builds (#9441)
Use delegated docker mount option to speedup builds (#9441)

Motivation:

As we use the docker files for the CI we should use the delegated mount option to speed up builds.

See https://docs.docker.com/docker-for-mac/osxfs-caching/#delegated

Modifications:

Use delegated mount option

Result:

Faster builds when using docker
gerdriesselmann/netty,gerdriesselmann/netty,gerdriesselmann/netty,gerdriesselmann/netty,gerdriesselmann/netty