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/cilium/tasks/install.yml

@@ -18,6 +18,7 @@
   file:
     src: "{{ etcd_cert_dir }}/{{ item.s }}"
     dest: "{{ cilium_cert_dir }}/{{ item.d }}"
+    mode: 0644
     state: hard
     force: yes
   loop:
@@ -40,6 +41,7 @@
   template:
     src: "{{ item.file }}.j2"
     dest: "{{ kube_config_dir }}/{{ item.file }}"
+    mode: 0644
   loop:
     - {name: cilium, file: cilium-config.yml, type: cm}
     - {name: cilium, file: cilium-crb.yml, type: clusterrolebinding}
@@ -57,6 +59,7 @@
   template:
     src: "{{ item.file }}.j2"
     dest: "{{ kube_config_dir }}/addons/hubble/{{ item.file }}"
+    mode: 0644
   loop:
     - {name: hubble, file: hubble-config.yml, type: cm}
     - {name: hubble, file: hubble-crb.yml, type: clusterrolebinding}
@@ -76,4 +79,5 @@
   template:
     src: 000-cilium-portmap.conflist.j2
     dest: /etc/cni/net.d/000-cilium-portmap.conflist
+    mode: 0644
   when: cilium_enable_portmap