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/kubernetes-apps/ansible/tasks/coredns.yml

@@ -3,6 +3,7 @@
   template:
     src: "{{ item.file }}.j2"
     dest: "{{ kube_config_dir }}/{{ item.file }}"
+    mode: 0644
   loop:
     - { name: coredns, file: coredns-clusterrole.yml, type: clusterrole }
     - { name: coredns, file: coredns-clusterrolebinding.yml, type: clusterrolebinding }
@@ -27,6 +28,7 @@
   template:
     src: "{{ item.src }}.j2"
     dest: "{{ kube_config_dir }}/{{ item.file }}"
+    mode: 0644
   with_items:
     - { name: coredns, src: coredns-deployment.yml, file: coredns-deployment-secondary.yml, type: deployment }
     - { name: coredns, src: coredns-svc.yml, file: coredns-svc-secondary.yml, type: svc }

roles/kubernetes-apps/ansible/tasks/dashboard.yml

@@ -3,6 +3,7 @@
   template:
     src: "{{ item.file }}.j2"
     dest: "{{ kube_config_dir }}/{{ item.file }}"
+    mode: 0644
   with_items:
     - { file: dashboard.yml, type: deploy, name: kubernetes-dashboard }
   register: manifests

roles/kubernetes-apps/ansible/tasks/etcd_metrics.yml

@@ -3,6 +3,7 @@
   template:
     src: "{{ item.file }}.j2"
     dest: "{{ kube_config_dir }}/{{ item.file }}"
+    mode: 0644
   with_items:
     - { file: etcd_metrics-endpoints.yml, type: endpoints, name: etcd-metrics }
     - { file: etcd_metrics-service.yml, type: service, name: etcd-metrics }

roles/kubernetes-apps/ansible/tasks/netchecker.yml

@@ -25,6 +25,7 @@
   template:
     src: "{{ item.file }}.j2"
     dest: "{{ kube_config_dir }}/{{ item.file }}"
+    mode: 0644
   with_items: "{{ netchecker_templates }}"
   register: manifests
   when:

roles/kubernetes-apps/ansible/tasks/nodelocaldns.yml

@@ -19,6 +19,7 @@
   template:
     src: "{{ item.file }}.j2"
     dest: "{{ kube_config_dir }}/{{ item.file }}"
+    mode: 0644
   with_items:
     - { name: nodelocaldns, file: nodelocaldns-config.yml, type: configmap }
     - { name: nodelocaldns, file: nodelocaldns-sa.yml, type: sa }
@@ -48,6 +49,7 @@
   template:
     src: "{{ item.file }}.j2"
     dest: "{{ kube_config_dir }}/{{ item.file }}"
+    mode: 0644
   with_items:
     - { name: nodelocaldns, file: nodelocaldns-second-daemonset.yml, type: daemonset }
   register: nodelocaldns_second_manifests