Fix risky-file-permissions (#8370)

When running ansible-lint directly, we can see a lot of warning
message like

  risky-file-permissions File permissions unset or incorrect

This fixes the warning messages.

roles/network_plugin/canal/tasks/main.yml

@@ -3,6 +3,7 @@
   template:
     src: "cni-canal.conflist.j2"
     dest: "/etc/cni/net.d/canal.conflist.template"
+    mode: 0644
     owner: kube
   register: canal_conflist
   notify: reset_canal_cni
@@ -50,6 +51,7 @@
   template:
     src: "{{ item.file }}.j2"
     dest: "{{ kube_config_dir }}/{{ item.file }}"
+    mode: 0644
   with_items:
     - {name: canal-config, file: canal-config.yaml, type: cm}
     - {name: canal-node, file: canal-node.yaml, type: ds}
@@ -74,3 +76,4 @@
   file:
     path: "{{ canal_policy_dir }}"
     state: directory
+    mode: 0755