message: Jenkinsfile: Try building in parallel
diff: @@ -35,7 +35,7 @@ def getStages(rosDistribution, ubuntuVersion) {
  }
  docker.build("franka_ros-ci-worker:${rosDistribution}",
  - "-f src/franka_ros/.ci/Dockerfile.${rosDistribution} src/franka_ros/.ci").inside {
  + "-f src/franka_ros/.ci/Dockerfile.${rosDistribution} src/franka_ros/.ci").inside('-e MAKEFLAGS') {
  withEnv(["CMAKE_PREFIX_PATH+=${env.WORKSPACE}/dist/libfranka/lib/cmake/Franka",
  "ROS_HOME=${env.WORKSPACE}/ros-home"]) {
  stage("${rosDistribution}: Build & Lint (Debug)") {
  