fix: Fixed broken url for package. (#38)

Fixes #37

Author: derpferd

setup.py

@@ -50,7 +50,7 @@
     author="Google LLC",
     author_email="googleapis-packages@google.com",
     license="Apache 2.0",
-    url="https://github.com/googleapis/python-orgpolicy",
+    url="https://github.com/googleapis/python-org-policy",
     packages=setuptools.PEP420PackageFinder.find(),
     namespace_packages=("google", "google.cloud"),
     platforms="Posix; MacOS X; Windows",