sig/client.rbs in aws-sdk-iot-1.127.0 vs sig/client.rbs in aws-sdk-iot-1.128.0

@@ -46,9 +46,10 @@
                       ?retry_max_delay: Integer,
                       ?retry_mode: ("legacy" | "standard" | "adaptive"),
                       ?sdk_ua_app_id: String,
                       ?secret_access_key: String,
                       ?session_token: String,
+                      ?sigv4a_signing_region_set: Array[String],
                       ?stub_responses: untyped,
                       ?token_provider: untyped,
                       ?use_dualstack_endpoint: bool,
                       ?use_fips_endpoint: bool,
                       ?validate_params: bool,