Update prototype extension to 0.2.1b7 (#9771)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: a11smiles

src/index.json

@@ -93906,8 +93906,8 @@
         ],
         "prototype": [
             {
-                "downloadUrl": "https://github.com/Azure/az-prototype/releases/download/v0.2.1b6/prototype-0.2.1b6-py3-none-any.whl",
-                "filename": "prototype-0.2.1b6-py3-none-any.whl",
+                "downloadUrl": "https://github.com/Azure/az-prototype/releases/download/v0.2.1b7/prototype-0.2.1b7-py3-none-any.whl",
+                "filename": "prototype-0.2.1b7-py3-none-any.whl",
                 "metadata": {
                     "azext.isPreview": true,
                     "azext.minCliCoreVersion": "2.50.0",
@@ -93985,9 +93985,9 @@
                         }
                     ],
                     "summary": "Azure CLI extension for rapid prototype generation using AI agents and GitHub Copilot",
-                    "version": "0.2.1b6"
+                    "version": "0.2.1b7"
                 },
-                "sha256Digest": "a4bf67ad84289b00ab1bf3ae60753ed60f9a147174111b64980a84398f9a9e6f"
+                "sha256Digest": "4791f19cabb1f31d283061f206c50b30d26b4da5b2f6d68ed39513489758966f"
             }
         ],
         "providerhub": [
@@ -120624,4 +120624,4 @@
         ]
     },
     "formatVersion": "1"
-}
+}