Automatic merge from release/B12_3_0 -> master

* commit 'c03006a1e9c4a78a63162c2e5bc635d45638d10c':
  SocketListen disabled but left in place for posterity
  Use SocketListen to evaluate message
  wrong color scheme for message name
  increase minor version
  new ZMQ module lazy starts during the function call.
  removing unfortunate use of the word slave
  test should not trigger lib installation
  updating minor version in paclet info
  introducing 12.3 functions

Author: stefanr-wri