More CI tweaks: disable cache, use "stage" instead of deprecated "type"
More CI tweaks: disable cache, use "stage" instead of deprecated "type"

wilsonCernWq/ospray,ospray/OSPRay,ospray/OSPRay,wilsonCernWq/ospray,wilsonCernWq/ospray,ospray/OSPRay,ospray/OSPRay