Refresh Python SDK dependencies

Prepare pytransloadit 1.0.4 with refreshed dependencies, Python 3.9-compatible tooling, and release-ready changelog/version metadata.

Fix notify-registry argument handling

Prepare 1.0.2 release

Merge branch 'main' of github.com:transloadit/python-sdk

Prepare 1.0.0 release

Prepare 0.2.2 release

release: version bump to 0.2.1

release: version bump to 0.2.0

correct changelog

release: version bump to 0.1.10