fix: skip sharding on set default rw concern

setDefaultRWConcern is not supported on shard nodes.

tasks/main.yml

@@ -42,7 +42,7 @@
 - name: Set default read-write concern
   ansible.builtin.command: "{{ 'mongosh' if mongodb_version.split('.')[0] | int >= 5 else 'mongo' }} --quiet -u {{ mongodb_root_admin_name }} -p {{ mongodb_root_admin_password }} --eval 'db.adminCommand({\"setDefaultRWConcern\": 1,\"defaultWriteConcern\": { \"w\": 1 }})'"
   when: ( mongodb_replication_replset | length > 0
-          and mongodb_master is defined and mongodb_master )
+          and mongodb_master is defined and mongodb_master and mongodb_sharding_enabled is false)
   no_log: false
   tags: [mongodb]