add step count to webhooks and get run payload (#4410)

skyvern/services/workflow_service.py

@@ -113,6 +113,7 @@ async def get_workflow_run_response(
     workflow_run_resp = await app.WORKFLOW_SERVICE.build_workflow_run_status_response_by_workflow_id(
         workflow_run_id=workflow_run.workflow_run_id,
         organization_id=organization_id,
+        include_step_count=True,
     )
     app_url = f"{settings.SKYVERN_APP_URL.rstrip('/')}/runs/{workflow_run.workflow_run_id}"
     return WorkflowRunResponse(
@@ -145,4 +146,5 @@ async def get_workflow_run_response(
             # TODO: add browser session id
         ),
         errors=workflow_run_resp.errors,
+        step_count=workflow_run_resp.total_steps,
     )