Merge 86ddd8e4f1 into 0153abba82

This disclaimer clarifies that the plugin doesn't independently test all
possible barman-cloud authentication methods. The plugin's responsibility is
limited to passing provided credentials to barman-cloud, which then handles
authentication according to its own implementation.

Related to #662

Signed-off-by: Marco Nenciarini <marco.nenciarini@enterprisedb.com>

web/docs/object_stores.md

@@ -29,6 +29,16 @@ the specific object storage provider you are using.
 
 The following sections detail the setup for each.
 
+:::note Authentication Methods
+The Barman Cloud Plugin does not independently test all authentication methods
+supported by `barman-cloud`. The plugin's responsibility is limited to passing
+the provided credentials to `barman-cloud`, which then handles authentication
+according to its own implementation. Users should refer to the
+[Barman Cloud documentation](https://docs.pgbarman.org/release/latest/) to
+verify that their chosen authentication method is supported and properly
+configured.
+:::
+
 ---
 
 ## AWS S3