Restart canal after scale or upgrade. Just like PR#4531, but for canal (#4992)

roles/network_plugin/canal/tasks/main.yml

@@ -4,6 +4,8 @@
     src: "cni-canal.conflist.j2"
     dest: "/etc/cni/net.d/{% if calico_version is version('v3.3.0', '>=') %}canal.conflist.template{% else %}10-canal.conflist{% endif %}"
     owner: kube
+  register: canal_conflist
+  notify: reset_canal_cni
 
 - name: Canal | Create canal certs directory
   file: