Update scheduler/scheduler_config.json

scheduler/scheduler_config.json

@@ -14,7 +14,7 @@
   "prediction_type": "epsilon",
   "rescale_betas_zero_snr": false,
   "sample_max_value": 1.0,
-  "solver_order": 2,
+  "solver_order": 3,
   "solver_type": "midpoint",
   "steps_offset": 0,
   "thresholding": false,