fix: include pypi.org/packages in PyPi hoster_pattern (#1038)

Adding `pypi.org/packages` to the hoster_pattern for PyPi (which is a
redirection to `files.pythonhosted.org/packages`), which I believe is
the URL that e.g. grayskull uses.

Author: tedil

bioconda_utils/hosters.py

@@ -683,6 +683,7 @@ async def get_deps(self, pipeline, build_config, package, rel):
     hoster_pattern = (r"(?P<hoster>"
                       r"files.pythonhosted.org/packages|"
                       r"pypi.python.org/packages|"
+                      r"pypi.org/packages|"
                       r"pypi.io/packages)")
     url_pattern = r"{hoster}/.*/{source}"