ansible-playbooks/general#85 Linting [skip-ci]

tasks/install.yml

@@ -61,6 +61,6 @@
       dest: /etc/wkhtmltox-version
       owner: root
       group: root
-      mode: 644
+      mode: 0644
 
   when: wkhtmltopdf_version_tag not in wkhtmltox_current_version.stdout