Docs/psql_flexible_server_configuration: update extensions list link (h…

…ashicorp#24895)

website/docs/r/postgresql_flexible_server_configuration.html.markdown

@@ -82,7 +82,7 @@ The following arguments are supported:
 
 * `name` - (Required) Specifies the name of the PostgreSQL Configuration, which needs [to be a valid PostgreSQL configuration name](https://www.postgresql.org/docs/current/static/sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIER). Changing this forces a new resource to be created.
 
--> **Note:** PostgreSQL provides the ability to extend the functionality using azure extensions, with PostgreSQL azure extensions you should specify the `name` value as `azure.extensions` and the `value` you wish to allow in the [extensions list](https://docs.microsoft.com/en-us/azure/postgresql/flexible-server/concepts-extensions?WT.mc_id=Portal-Microsoft_Azure_OSSDatabases#postgres-13-extensions).
+-> **Note:** PostgreSQL provides the ability to extend the functionality using azure extensions, with PostgreSQL azure extensions you should specify the `name` value as `azure.extensions` and the `value` you wish to allow in the [extensions list](https://learn.microsoft.com/en-us/azure/postgresql/flexible-server/concepts-extensions?WT.mc_id=Portal-Microsoft_Azure_OSSDatabases#extension-versions).
 
 * `server_id` - (Required) The ID of the PostgreSQL Flexible Server where we want to change configuration. Changing this forces a new PostgreSQL Flexible Server Configuration resource.