add macOS compatible tags support

[baszalmstra]

macOS is currently not supported when installing pypi dependencies. We didnt implement determining the compatible tags for macOS yet. We should do that.

A good description of what compatibility tags are can be found here: https://packaging.python.org/en/latest/specifications/platform-compatibility-tags/.

However, there is no mention of macOS in that document so the only source of getting this information is looking at the packaging source code here: https://github.com/pypa/packaging/blob/992b3991b4797cf85802d8b44521273061e51840/src/packaging/tags.py#L401

You can view the tags for your current python installation by executing:

from packaging.tags import sys_tags
print(list(sys_tags()))