chore: apply ty checks on api code with script and ci action (#24653)

api/core/app/task_pipeline/based_generate_task_pipeline.py

@@ -50,7 +50,7 @@ class BasedGenerateTaskPipeline:
         if isinstance(e, InvokeAuthorizationError):
             err = InvokeAuthorizationError("Incorrect API key provided")
         elif isinstance(e, InvokeError | ValueError):
-            err = e
+            err = e  # ty: ignore [invalid-assignment]
         else:
             description = getattr(e, "description", None)
             err = Exception(description if description is not None else str(e))