Fix Future Warning

scheduler/scheduler_config.json

@@ -13,6 +13,7 @@
   "rescale_betas_zero_snr": false,
   "sample_max_value": 1.0,
   "set_alpha_to_one": false,
+  "steps_offset": 1,
   "skip_prk_steps": true,
   "timestep_spacing": "trailing"
 }