Fix provider file mode

tasks/main.yml

@@ -121,7 +121,7 @@
     dest: "{{ keycloak_jboss_home }}/providers/{{ item.name }}"
     url: "{{ item.url }}"
     force: true
-    mode: 644
+    mode: 0644
   with_items: "{{ keycloak_custom_deployments }}"
   notify:
     - build keycloak