update loxigen-artifacts
update loxigen-artifacts

* submodules/loxigen-artifacts b8fb655...fae5788 (2):
  > Artifacts from https://github.com/floodlight/loxigen/compare/e22b3695c0e28fb922667b2e69d46fdcdac53a62...b613d53642d9406a92b109e975cc7359083a9a30
  > Artifacts from https://github.com/floodlight/loxigen/compare/af6eeea932ec0107591dd0bfce3194e9ac1c6cf8...e22b3695c0e28fb922667b2e69d46fdcdac53a62

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