add quotes around octal values

YAML loaders will load them as strings, providing a consistent behavior. This is also safer as JSON does not support octal values either.

roles/nextcloud/tasks/nextcloud.yml

@@ -16,7 +16,7 @@
         state: directory
         owner: "{{ webserver_user }}"
         group: "{{ webserver_group }}"
-        mode: 0770
+        mode: "0770"
         force: false
 
     - name: Download nextcloud latest from nextcloud.com
@@ -55,7 +55,7 @@
         src: "nextcloud.config.json.j2"
         dest: /tmp/nextcloud.config.json
         owner: "{{ webserver_user }}"
-        mode: 0600
+        mode: "0600"
 
     - name: Ensure nextcloud installation is finished
       become: true