Updating pause image refernces to 3.9

Signed-off-by: Mark Rossetti <marosset@microsoft.com>

cluster/gce/config-common.sh

@@ -160,7 +160,7 @@ export WINDOWS_KUBEPROXY_KUBECONFIG_FILE="${WINDOWS_K8S_DIR}\kubeproxy.kubeconfi
 # Path for kube-proxy kubeconfig file on Windows nodes.
 export WINDOWS_NODEPROBLEMDETECTOR_KUBECONFIG_FILE="${WINDOWS_K8S_DIR}\node-problem-detector.kubeconfig"
 # Pause container image for Windows container.
-export WINDOWS_INFRA_CONTAINER="registry.k8s.io/pause:3.8"
+export WINDOWS_INFRA_CONTAINER="registry.k8s.io/pause:3.9"
 # Storage Path for csi-proxy. csi-proxy only needs to be installed for Windows.
 export CSI_PROXY_STORAGE_PATH="https://storage.googleapis.com/gke-release/csi-proxy"
 # Version for csi-proxy

cluster/gce/gci/configure-helper.sh

@@ -3203,7 +3203,7 @@ oom_score = -999
 [plugins."io.containerd.grpc.v1.cri"]
   stream_server_address = "127.0.0.1"
   max_container_log_line_size = ${CONTAINERD_MAX_CONTAINER_LOG_LINE:-262144}
-  sandbox_image = "${CONTAINERD_INFRA_CONTAINER:-"registry.k8s.io/pause:3.8"}"
+  sandbox_image = "${CONTAINERD_INFRA_CONTAINER:-"registry.k8s.io/pause:3.9"}"
 [plugins."io.containerd.grpc.v1.cri".cni]
   bin_dir = "${KUBE_HOME}/bin"
   conf_dir = "/etc/cni/net.d"

cluster/gce/windows/smoke-test.sh

@@ -358,7 +358,7 @@ spec:
     spec:
       containers:
       - name: pause-win
-        image: registry.k8s.io/pause:3.8
+        image: registry.k8s.io/pause:3.9
       nodeSelector:
         kubernetes.io/os: windows
       tolerations: