[Release] Update index.json for extension [ codespaces ] (Azure#2032)

Triggered by Azure CLI Extensions Release Pipeline - ADO_BUILD_ID=460112

Last commit: Azure@af0b570

src/index.json

@@ -2996,6 +2996,49 @@
                     "version": "0.2.1"
                 },
                 "sha256Digest": "30569dd2124bec69abb6e6ae99c5a73059d767434bfe36d6f72a35b4f0e904f3"
+            },
+            {
+                "downloadUrl": "https://azurecliprod.blob.core.windows.net/cli-extensions/codespaces-0.3.0-py2.py3-none-any.whl",
+                "filename": "codespaces-0.3.0-py2.py3-none-any.whl",
+                "metadata": {
+                    "azext.isPreview": true,
+                    "azext.minCliCoreVersion": "2.3.1",
+                    "classifiers": [
+                        "Development Status :: 4 - Beta",
+                        "Intended Audience :: Developers",
+                        "Intended Audience :: System Administrators",
+                        "Programming Language :: Python",
+                        "Programming Language :: Python :: 3",
+                        "Programming Language :: Python :: 3.6",
+                        "Programming Language :: Python :: 3.7",
+                        "Programming Language :: Python :: 3.8",
+                        "License :: OSI Approved :: MIT License"
+                    ],
+                    "extensions": {
+                        "python.details": {
+                            "contacts": [
+                                {
+                                    "email": "[email protected]",
+                                    "name": "Microsoft Corporation",
+                                    "role": "author"
+                                }
+                            ],
+                            "document_names": {
+                                "description": "DESCRIPTION.rst"
+                            },
+                            "project_urls": {
+                                "Home": "https://github.com/Azure/azure-cli-extensions"
+                            }
+                        }
+                    },
+                    "generator": "bdist_wheel (0.30.0)",
+                    "license": "MIT",
+                    "metadata_version": "2.0",
+                    "name": "codespaces",
+                    "summary": "The Azure CLI Codespaces extension",
+                    "version": "0.3.0"
+                },
+                "sha256Digest": "04d6fc97d8f1d49a54121198a32508118b7102aa69fa6bd31af25103a3af5a4c"
             }
         ],
         "connectedk8s": [