Unused requested_outputs in execute_process (geopython#1834)

* fix: adds requested_outputs to execute function

* Update dummy.py

---------

Co-authored-by: Tom Kralidis <[email protected]>

Author: FritzHoing

pygeoapi/process/manager/dummy.py

@@ -116,7 +116,8 @@ def execute_process(
         self._send_in_progress_notification(subscriber)
         processor = self.get_processor(process_id)
         try:
-            jfmt, outputs = processor.execute(data_dict)
+            jfmt, outputs = processor.execute(
+                data_dict, outputs=requested_outputs)
             current_status = JobStatus.successful
             self._send_success_notification(subscriber, outputs)
         except Exception as err: