Release 2.0.0 - Githubissues

This issue serves as a checklist for the release event.

[ ] Check that dependencies have been updated to latest version (especially python-scraper lib)
[ ] Adjust version in __about__.py to x.x.x
[ ] Update Github milestone to match the issues that will be released
[ ] Close Github milestone
[ ] Update the Changelog so that it is in line with the content of Github milestone
[ ] Push a tag on Github named vx.x.x
[ ] Create a Github release, pointing to the tag, with the Changelog of this release
[ ] Publish the Github release (this will trigger the CI, if the CI fails and you have to push a minor fix which does not justify to create a new version, you will have to delete the release and re-create it from scratch)
[ ] Check that version is published as a Github release at https://github.com/openzim/kolibri/releases and tagged Latest
[ ] Check that version is published on Github Container Registry at https://ghcr.io/openzim/kolibri and tagged latest
[ ] Check that version is published on Pypi at https://pypi.org/project/kolibri2zim/
[ ] Create a new Github milestone with the next minor version incrementaly
[ ] Create a new Github issue attached to this milestone with this checklist inside
[ ] Create new ## [Unreleased] section in Changelog (placeholder for future entries)
[ ] Adjust version in __about__.py to `x.y.z-dev0
[ ] Inform rgaudin that a new release is ready to use so that he will update Zimfarm recipes
[ ] If needed, open a PR on Zimfarm to add support for new CLI parameters of interest

openzim / kolibri