update loxigen-artifacts
update loxigen-artifacts

* submodules/loxigen-artifacts 4787033...94f034f (1):
  > Artifacts from https://github.com/floodlight/loxigen/compare/1d8819a23e3decd195baa2d0306e9d887b17a50f...8dcf8a2618adfd827a20169c34401ed04a25d383

vezril/ivs,floodlight/ivs,vezril/ivs,floodlight/ivs,vezril/ivs,floodlight/ivs