Update app.py

app.py

@@ -9,7 +9,7 @@ if not os.path.exists(repo_dir):
     print("Cloning the VibeVoice repository...")
     try:
         subprocess.run(
-            ["git", "clone", "https://github.com/microsoft/VibeVoice.git"],
+            ["git", "clone", "https://github.com/vibevoice-community/VibeVoice.git"],
             check=True,
             capture_output=True,
             text=True