update iot hub index to version 0.10.6 (Azure#2652)

Author: YingXue

src/index.json

@@ -3541,8 +3541,8 @@
         ],
         "azure-iot": [
             {
-                "downloadUrl": "https://github.com/Azure/azure-iot-cli-extension/releases/download/v0.10.5/azure_iot-0.10.5-py3-none-any.whl",
-                "filename": "azure_iot-0.10.5-py3-none-any.whl",
+                "downloadUrl": "https://github.com/Azure/azure-iot-cli-extension/releases/download/v0.10.6/azure_iot-0.10.6-py3-none-any.whl",
+                "filename": "azure_iot-0.10.6-py3-none-any.whl",
                 "metadata": {
                     "azext.minCliCoreVersion": "2.3.1",
                     "classifiers": [
@@ -3551,7 +3551,6 @@
                         "Intended Audience :: System Administrators",
                         "Programming Language :: Python",
                         "Programming Language :: Python :: 3",
-                        "Programming Language :: Python :: 3.5",
                         "Programming Language :: Python :: 3.6",
                         "Programming Language :: Python :: 3.7",
                         "Programming Language :: Python :: 3.8",
@@ -3590,9 +3589,9 @@
                         }
                     ],
                     "summary": "The Azure IoT extension for Azure CLI.",
-                    "version": "0.10.5"
+                    "version": "0.10.6"
                 },
-                "sha256Digest": "dc399f2f6d8b297e09ffab81aa2b790c80171b4f97cd5df4a5da5fbbd5242383"
+                "sha256Digest": "8ba1bfab09191fe003895caa3759a8c017003b00c29006a16b7b0a037e3ef4c2"
             },
             {
                 "downloadUrl": "https://github.com/Azure/azure-iot-cli-extension/releases/download/v0.9.7/azure_iot-0.9.7-py2.py3-none-any.whl",