s3fs: Set 'no_log' for password-handling task

s3fs/tasks/main.yml

@@ -11,6 +11,7 @@
     mode: "0640"
     owner: root
     group: root
+  no_log: true
 
 - name: Configure s3fs mountpoints
   mount:
@@ -20,3 +21,4 @@
     src: "{{ item.bucket }}"
     state: mounted
   loop: "{{ s3fs }}"
+  no_log: true