Bump libcompose and its dependencies

vendor/github.com/docker/libcompose/Jenkinsfile

@@ -0,0 +1,33 @@
+
+wrappedNode(label: 'linux && x86_64') {
+  deleteDir()
+  checkout scm
+  def image
+  try {
+    stage "build image"
+    image = docker.build("dockerbuildbot/libcompose:${gitCommit()}")
+
+    stage "validate"
+    makeTask(image, "validate")
+
+    stage "test"
+    makeTask(image, "test", ["TESTVERBOSE=1", "DAEMON_VERSION=all"])
+
+    stage "build"
+    makeTask(image, "cross-binary")
+  } finally {
+    try { archive "bundles" } catch (Exception exc) {}
+    if (image) { sh "docker rmi ${image.id} ||:" }
+  }
+}
+
+def makeTask(image, task, envVars=null) {
+  // could send in the full list of envVars for each call or provide default env vars like this:
+  withEnv((envVars ?: []) + ["LIBCOMPOSE_IMAGE=${image.id}"]) { // would need `def image` at top level of file instead of in the nested block
+    withChownWorkspace {
+      timeout(60) {
+        sh "make -e ${task}"
+      }
+    }
+  }
+}