Update onnx_config.pbtext

onnx_config.pbtext

@@ -1,16 +1,16 @@
 name: "deberta"
 platform: "onnxruntime_onnx"
-max_batch_size: 8
+max_batch_size: 0
 input [
   {
     name: "input_ids"
     data_type: TYPE_INT64
-    dims: [ -1, 512 ]
+    dims: [ -1, -1 ]
   },
   {
     name: "attention_mask"
     data_type: TYPE_INT64
-    dims: [ -1, 512 ]
+    dims: [ -1, -1 ]
   }
 ]
 output [