PDM-892: fixing sts_client method signature, running make update

Author: adrianwalker5-nhs

nhs_aws_helpers/__init__.py

@@ -356,9 +356,7 @@ def healthlake_client(session: Optional[Session] = None, config: Optional[Config
     return _aws("healthlake", "client", session, config)  # type: ignore[no-any-return]
 
 
-def sts_client(
-    session: Optional[Session] = None, config: Optional[Config] = None, endpoint_url: Optional[str] = None
-) -> STSClient:
+def sts_client(session: Optional[Session] = None, config: Optional[Config] = None) -> STSClient:
     return _aws("sts", "client", session, config)  # type: ignore[no-any-return]