Split CI builds into 4 different configurations
Split CI builds into 4 different configurations

mit-crpg/openmc,walshjon/openmc,liangjg/openmc,mit-crpg/openmc,paulromano/openmc,shikhar413/openmc,smharper/openmc,walshjon/openmc,wbinventor/openmc,liangjg/openmc,smharper/openmc,mit-crpg/openmc,liangjg/openmc,johnnyliu27/openmc,johnnyliu27/openmc,smharper/openmc,wbinventor/openmc,liangjg/openmc,shikhar413/openmc,amandalund/openmc,paulromano/openmc,johnnyliu27/openmc,amandalund/openmc,walshjon/openmc,amandalund/openmc,paulromano/openmc,amandalund/openmc,johnnyliu27/openmc,paulromano/openmc,walshjon/openmc,smharper/openmc,shikhar413/openmc,mit-crpg/openmc,shikhar413/openmc,wbinventor/openmc,wbinventor/openmc