Update ui-config.json

ui-config.json

@@ -58,7 +58,7 @@
     "txt2img/Batch count/visible": true,
     "txt2img/Batch count/value": 1,
     "txt2img/Batch count/minimum": 1,
-    "txt2img/Batch count/maximum": 100,
+    "txt2img/Batch count/maximum": 400,
     "txt2img/Batch count/step": 1,
     "txt2img/Batch size/visible": true,
     "txt2img/Batch size/value": 1,
@@ -866,4 +866,4 @@
     "img2img/Canvas Height/minimum": 256,
     "img2img/Canvas Height/maximum": 1024,
     "img2img/Canvas Height/step": 64
-}
+}