upgrade to 12-layer ONNX V1.4 model

Orchestrator/v0.1/nlr_versions.json

@@ -1,10 +1,10 @@
 {
   "version": "0.1",
   "models": {
-    "1.0.0-pretrained.20200729.microsoft.dte.en.onnx" : {
-      "releaseDate": "07/29/2020",
-      "modelUri": "https://models.botframework.com/models/dte/onnx/1.0.0-pretrained.20200729.microsoft.dte.en.onnx.7z",
-      "description": "Bot Framework SDK release 4.10 - English Onnx 3 layer NLR",
+    "1.1.0-pretrained.20200819-12l.microsoft.dte.en.onnx": {
+      "releaseDate": "08/19/2020",
+      "modelUri": "https://models.botframework.com/models/dte/onnx/1.1.0-pretrained.20200819-12l.microsoft.dte.en.onnx.7z",
+      "description": "Bot Framework SDK release 4.10 - English Onnx V1.4 12-layer NLR",
       "minSDKVersion": "4.10.0"
     }
   }