[K8S][MINOR] Log minikube version when running integration tests.

Closes #23893 from vanzin/minikube-version.

Authored-by: Marcelo Vanzin <vanzin@cloudera.com>
Signed-off-by: Marcelo Vanzin <vanzin@cloudera.com>

Author: Marcelo Vanzin

resource-managers/kubernetes/integration-tests/src/test/scala/org/apache/spark/deploy/k8s/integrationtest/backend/minikube/Minikube.scala

@@ -34,6 +34,10 @@ private[spark] object Minikube extends Logging {
   private val MINIKUBE_PREFIX = "minikube: "
   private val MINIKUBE_PATH = ".minikube"
 
+  def logVersion(): Unit = {
+    logInfo(executeMinikube("version").mkString("\n"))
+  }
+
   def getMinikubeIp: String = {
     val outputs = executeMinikube("ip")
       .filter(_.matches("^\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}$"))

resource-managers/kubernetes/integration-tests/src/test/scala/org/apache/spark/deploy/k8s/integrationtest/backend/minikube/MinikubeTestBackend.scala

@@ -25,6 +25,7 @@ private[spark] object MinikubeTestBackend extends IntegrationTestBackend {
   private var defaultClient: DefaultKubernetesClient = _
 
   override def initialize(): Unit = {
+    Minikube.logVersion()
     val minikubeStatus = Minikube.getMinikubeStatus
     require(minikubeStatus == MinikubeStatus.RUNNING,
         s"Minikube must be running to use the Minikube backend for integration tests." +