python: update package homepage to flagos.io

Author: xiaodouzi666

python/setup.py

@@ -690,7 +690,7 @@ def get_flagtree_version():
     zip_safe=False,
     # for PyPI
     keywords=["Compiler", "Deep Learning"],
-    url="https://github.com/triton-lang/triton/",
+    url="https://flagos.io",
     classifiers=[
         "Development Status :: 4 - Beta",
         "Intended Audience :: Developers",