Stop using the deprecated method CurrentGinkgoTestDescription

Besides, the using of method might lead to a `concurrent map writes`
issue per the discussion here: https://github.com/onsi/ginkgo/issues/970

Signed-off-by: Dave Chen <dave.chen@arm.com>

test/e2e_node/garbage_collector_test.go

@@ -22,7 +22,7 @@ import (
 	"strconv"
 	"time"
 
-	"k8s.io/api/core/v1"
+	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	internalapi "k8s.io/cri-api/pkg/apis"
 	runtimeapi "k8s.io/cri-api/pkg/apis/runtime/v1"
@@ -264,7 +264,7 @@ func containerGCTest(f *framework.Framework, test testRun) {
 				return nil
 			}, garbageCollectDuration, runtimePollInterval).Should(gomega.BeNil())
 
-			if ginkgo.CurrentGinkgoTestDescription().Failed && framework.TestContext.DumpLogsOnFailure {
+			if ginkgo.CurrentSpecReport().Failed() && framework.TestContext.DumpLogsOnFailure {
 				logNodeEvents(f)
 				logPodEvents(f)
 			}