Fix lint warnings

tasks/configuration.yml

@@ -3,5 +3,5 @@
   ansible.builtin.template:
     src: mariadb.conf
     dest: "/etc/mysql/mariadb.conf.d/90-{{ ansible_hostname }}.cnf"
-    mode: 0644
+    mode: "0644"
   notify: restart mariadb

tasks/monit.yml

@@ -11,5 +11,5 @@
   ansible.builtin.template:
     src: monit.conf
     dest: /etc/monit/conf-enabled/mariadb
-    mode: 0600
+    mode: "0600"
   notify: reload monit

tasks/munin.yml

@@ -12,7 +12,7 @@
   ansible.builtin.template:
     src: templates/munin-mariadb.conf
     dest: "{{ munin_sql_config_file }}"
-    mode: 0660
+    mode: "0660"
   notify: restart munin-node
 
 - name: "Munin | Enable mysql plugin"