Update etcd from v3.4.8 to v3.4.9

* https://github.com/etcd-io/etcd/blob/master/CHANGELOG-3.4.md#v349-2020-05-20

google-cloud/container-linux/kubernetes/cl/controller.yaml

@@ -7,7 +7,7 @@ systemd:
         - name: 40-etcd-cluster.conf
           contents: |
             [Service]
-            Environment="ETCD_IMAGE_TAG=v3.4.8"
+            Environment="ETCD_IMAGE_TAG=v3.4.9"
             Environment="ETCD_IMAGE_URL=docker://quay.io/coreos/etcd"
             Environment="RKT_RUN_ARGS=--insecure-options=image"
             Environment="ETCD_NAME=${etcd_name}"

google-cloud/fedora-coreos/kubernetes/fcc/controller.yaml

@@ -28,7 +28,7 @@ systemd:
           --network host \
           --volume /var/lib/etcd:/var/lib/etcd:rw,Z \
           --volume /etc/ssl/etcd:/etc/ssl/certs:ro,Z \
-          quay.io/coreos/etcd:v3.4.8
+          quay.io/coreos/etcd:v3.4.9
         ExecStop=/usr/bin/podman stop etcd
         [Install]
         WantedBy=multi-user.target