🚨: yamllint conformity

roles/elasticsearch/tasks/main.yml

@@ -10,13 +10,13 @@
     url: "{{ elasticsearch_key_url }}"
     dest: "{{ elasticsearch_key_path }}"
     force: true
-    mode: 0644
+    mode: "0o644"
 
 - name: Set elasticsearch source repo
   ansible.builtin.copy:
     content: "deb [signed-by={{ elasticsearch_key_path }}] https://artifacts.elastic.co/packages/7.x/apt stable main"
     dest: /etc/apt/sources.list.d/elasticsearch.list
-    mode: '0644'
+    mode: "0o644"
 
 - name: Install elasticsearch
   ansible.builtin.apt:
@@ -36,7 +36,7 @@
   ansible.builtin.template:
     src: "{{ item.src }}"
     dest: "{{ item.dest }}"
-    mode: '0644'
+    mode: "0o644"
   notify:
     - Restart elasticsearch
   loop: