[ReleasePR digitaltwins] [Hub Generated] Review request for Microsoft.DigitalTwins to add version stable/2022-05-31 (#2585)

Create to sync Azure/azure-rest-api-specs#20669
[ReCreate this PR](https://github.com/azure-resource-manager-schemas/compare/main...azure-sdk:sdkAuto/digitaltwins?expand=1)

Author: msftbot[bot]

schemas/2021-06-30-preview/Microsoft.DigitalTwins.json

@@ -256,7 +256,8 @@
         },
         "adxTableName": {
           "type": "string",
-          "description": "The name of the Azure Data Explorer table."
+          "default": "AdtPropertyEvents",
+          "description": "The name of the Azure Data Explorer table. Defaults to AdtPropertyEvents."
         },
         "connectionType": {
           "type": "string",
@@ -266,6 +267,7 @@
         },
         "eventHubConsumerGroup": {
           "type": "string",
+          "default": "$Default",
           "description": "The EventHub consumer group to use when ADX reads from EventHub. Defaults to $Default."
         },
         "eventHubEndpointUri": {

schemas/2022-05-31/Microsoft.DigitalTwins.json

@@ -256,7 +256,8 @@
         },
         "adxTableName": {
           "type": "string",
-          "description": "The name of the Azure Data Explorer table."
+          "default": "AdtPropertyEvents",
+          "description": "The name of the Azure Data Explorer table. Defaults to AdtPropertyEvents."
         },
         "connectionType": {
           "type": "string",
@@ -266,6 +267,7 @@
         },
         "eventHubConsumerGroup": {
           "type": "string",
+          "default": "$Default",
           "description": "The EventHub consumer group to use when ADX reads from EventHub. Defaults to $Default."
         },
         "eventHubEndpointUri": {