fix: apply final formatting changes

- Minor whitespace adjustments from ruff formatter
- Ensures consistent code formatting

Author: dcabib

aws_lambda_powertools/event_handler/api_gateway.py

@@ -680,7 +680,7 @@ def _get_openapi_path(  # noqa PLR0912
                                 model_name_map=model_name_map,
                                 field_mapping=field_mapping,
                             )
-                            
+
                             # Preserve existing fields like examples, encoding, etc.
                             new_payload = {**payload}  # Copy all existing fields
                             new_payload.update(model_payload)  # Add/override with model schema

aws_lambda_powertools/event_handler/openapi/types.py

@@ -65,6 +65,7 @@
 
 class OpenAPIResponseHeader(TypedDict, total=False):
     """OpenAPI Response Header Object"""
+
     description: NotRequired[str]
     schema: NotRequired[dict[str, Any]]
     examples: NotRequired[dict[str, Any]]