Prevent push of docker_image when diego and/or diego_docker are disabled 

Must be accepted **after** PR https://github.com/cloudfoundry/cloud_controller_ng/pull/286. Should be accepted in conjunction with the PR against https://github.com/deadcats/cf-release.

Also required an API spec bump which may have a hash value that will be out of date by the time to the PR is accepted.

[#75859500]

Signed-off-by: Stewart Nickolas (nickolas@us.ibm.com)