wubloader/downloader
Mike Lang a47c29fff4 Link images to github repo by adding a LABEL
When pushed, this tells github to associate the ghcr.io repo that was pushed to
with the github repo specified (the owner needs to match).

This does a few things.
Most importantly, this automatically gives github actions credentials to push to these
repositories when run in the context of the wubloader repo.
..
downloader Fix all instances of file.write() for py3
Dockerfile Link images to github repo by adding a LABEL
setup.py Unpin gevent as that was a workaround for a py2 issue