add note on unsubscribeConfiguration being deprecated (#457)

* add note on unsubscribeConfiguration being deprecated

Signed-off-by: Cassandra Coyle <[email protected]>

* Update client/client.go

Co-authored-by: Josh van Leeuwen <[email protected]>
Signed-off-by: Cassie Coyle <[email protected]>

---------

Signed-off-by: Cassandra Coyle <[email protected]>
Signed-off-by: Cassie Coyle <[email protected]>
Co-authored-by: Josh van Leeuwen <[email protected]>

Author: cicoyle

client/client.go

@@ -141,6 +141,8 @@ type Client interface {
 	// SubscribeConfigurationItems can subscribe the change of configuration items by storeName and keys, and return subscription id
 	SubscribeConfigurationItems(ctx context.Context, storeName string, keys []string, handler ConfigurationHandleFunction, opts ...ConfigurationOpt) (string, error)
 
+	// UnsubscribeConfigurationItems stops the subscription with target store's and ID.
+	// Deprecated: Closing the `SubscribeConfigurationItems` stream (closing the given context) will unsubscribe the client and should be used in favor of `UnsubscribeConfigurationItems`.
 	// UnsubscribeConfigurationItems can stop the subscription with target store's and id
 	UnsubscribeConfigurationItems(ctx context.Context, storeName string, id string, opts ...ConfigurationOpt) error