CodeGen from PR 21039 in Azure/azure-rest-api-specs

Add autoIoScaling property in MySQL get/update payload (#21039)

Co-authored-by: Bin Xu <bixu@microsoft.com>

Author: SDKAuto

schemas/2021-12-01-preview/Microsoft.DBforMySQL.json

@@ -867,6 +867,21 @@
           ],
           "description": "Enable Storage Auto Grow or not."
         },
+        "autoIoScaling": {
+          "oneOf": [
+            {
+              "type": "string",
+              "enum": [
+                "Enabled",
+                "Disabled"
+              ]
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Enable IO Auto Scaling or not."
+        },
         "iops": {
           "oneOf": [
             {