Dockerfile.fast not working due to .dockerignore

Dockerfile.fast relies on picking up the `bin` directory built in the host for inclusion in the HyperShift Operator image for development.

Containerfile.operator, for RHTAP, relies on .dockerignore to prevent a `/bin` to be present in the podman build context that has permissions that the user `default` (used by the golang build container) can't write to. 

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1.make docker-build-fast

COPY bin/* /usr/bin/ fails due to bin not being included in the podman build context

The container builds successfully