CodeGen from PR 15455 in Azure/azure-rest-api-specs

signalr: adding the missing `Trace` value (#15455)

Fixes #14923

Author: SDKAuto

schemas/2020-05-01/Microsoft.SignalRService.json

@@ -151,7 +151,8 @@
                 "enum": [
                   "ClientConnection",
                   "ServerConnection",
-                  "RESTAPI"
+                  "RESTAPI",
+                  "Trace"
                 ]
               }
             },
@@ -170,7 +171,8 @@
                 "enum": [
                   "ClientConnection",
                   "ServerConnection",
-                  "RESTAPI"
+                  "RESTAPI",
+                  "Trace"
                 ]
               }
             },
@@ -205,7 +207,8 @@
                 "enum": [
                   "ClientConnection",
                   "ServerConnection",
-                  "RESTAPI"
+                  "RESTAPI",
+                  "Trace"
                 ]
               }
             },
@@ -224,7 +227,8 @@
                 "enum": [
                   "ClientConnection",
                   "ServerConnection",
-                  "RESTAPI"
+                  "RESTAPI",
+                  "Trace"
                 ]
               }
             },