google_sql_user doc change to indicate password policy is supported for PG (#14799) (#23981)

[upstream:3476fa22aaae70e7d664bba6499350ad00c32bb7]

Signed-off-by: Modular Magician <[email protected]>

Author: modular-magician

website/docs/r/sql_user.html.markdown

@@ -155,7 +155,7 @@ The following arguments are supported:
 * `project` - (Optional) The ID of the project in which the resource belongs. If it
     is not provided, the provider project is used.
 
-The optional `password_policy` block is only supported by Mysql. The `password_policy` block supports:
+The optional `password_policy` block is only supported for creating MySQL and Postgres users. The `password_policy` block supports:
 
 * `allowed_failed_attempts` - (Optional) Number of failed attempts allowed before the user get locked.