flannel: Update to version v0.26.7-master-39.patched

Update container-registry.zalando.net/teapot/flannel to version v0.26.7-master-39.patched

Author: k8s-on-aws-manager-app[bot]

cluster/manifests/flannel/daemonset.yaml

@@ -69,7 +69,7 @@ spec:
           failureThreshold: 30
           periodSeconds: 10
       - name: kube-flannel
-        image: container-registry.zalando.net/teapot/flannel:v0.26.6-master-37
+        image: container-registry.zalando.net/teapot/flannel:v0.26.7-master-39.patched
         command:
         - /opt/bin/flanneld
         args: