Update unet/config.json

unet/config.json

@@ -4,11 +4,11 @@
   "_name_or_path": "hf-models/stable-diffusion-x4-upscaler/unet",
   "act_fn": "silu",
   "attention_head_dim": 8,
-  "block_out_channels": [
+  "block_out_channels": [ 
     320,
-    512,
-    512,
-    1024
+    640,
+    1280,
+    1280
   ],
   "center_input_sample": false,
   "cross_attention_dim": 1024,