!80 decrease wait time

From: @zh_xiaoyu 
Reviewed-by: @duguhaotian 
Signed-off-by: @duguhaotian

0009-timeout-wait-backend-to-frontend-complete.patch

@@ -18,7 +18,7 @@ index f21629af..c14ea8dd 100644
  
 +	select {
 +	case <-backendToFrontendComplete:
-+	case <-time.Tick(300 * time.Second):
++	case <-time.Tick(30 * time.Second):
 +		klog.Errorf("Wait backend to frontend complete timeout")
 +	}
 +

kubernetes.spec

@@ -3,7 +3,7 @@
 
 Name:         kubernetes
 Version:      1.20.2
-Release:      12
+Release:      13
 Summary:      Container cluster management
 License:      ASL 2.0
 URL:          https://k8s.io/kubernetes
@@ -264,6 +264,9 @@ getent passwd kube >/dev/null || useradd -r -g kube -d / -s /sbin/nologin \
 %systemd_postun kubelet kube-proxy
 
 %changelog
+* Wed Nov 02 2022 zhangxiaoyu <zhangxiaoyu58@huawei.com> - 1.20.2-13
+- DESC: decrease wait time
+
 * Tue Nov 01 2022 zhangxiaoyu <zhangxiaoyu58@huawei.com> - 1.20.2-12
 - DESC: add log and modify timeout