Update prototype extension to 0.2.1b1

Author: github-actions[bot]

src/index.json

@@ -91420,6 +91420,23 @@
                 "sha256Digest": "e1e58bb6f57edde4793f4c66a0c10a2776f842172878162385f2b1d21539de6e"
             }
         ],
+        "prototype": [
+            {
+                "downloadUrl": "https://github.com/Azure/az-prototype/releases/download/v0.2.1b1/az_prototype-0.2.1b1-py3-none-any.whl",
+                "filename": "az_prototype-0.2.1b1-py3-none-any.whl",
+                "metadata": {
+                    "azext.isPreview": true,
+                    "azext.minCliCoreVersion": "2.50.0",
+                    "azext.summary": "Azure CLI extension for building rapid prototypes.",
+                    "classifiers": [
+                        "Development Status :: 3 - Alpha"
+                    ],
+                    "name": "prototype",
+                    "version": "0.2.1b1"
+                },
+                "sha256Digest": "1f7c57e2ebda2186e10d431cab39abc4bfc191154889c6a69dcaa1dafbee8509"
+            }
+        ],
         "providerhub": [
             {
                 "downloadUrl": "https://azcliprod.blob.core.windows.net/cli-extensions/providerhub-0.1.0-py3-none-any.whl",
@@ -117606,4 +117623,4 @@
         ]
     },
     "formatVersion": "1"
-}
+}