Release checklist for 0.5.6

[hhyyrylainen]

Checklist for Thrive release (these should roughly happen in order):

• 9 days before release: check open PRs to see if any is close enough to done so that they can be pushed to be finished
• Ask on discord if people are up for a release podcast
• Mention on discord that feature freeze has started
• 7 days before release: merge open PRs from weblate (first push all pending changes from weblate)
• Run scripts/update_translation_progress.rb
• Make a release candidate and post on the community forums and discord (use DevCenter file hosting for the downloads)
• Upload RC also to beta channel on game stores
• Post announcement on Weblate when deadline for translations is (2 days before the release at the end of the day)
• Enable the auto comment on PRs about feature freeze
• Start drafting the release on Github
• Post the patch notes draft on discord so that devblog can start
• Get someone (or our usual trailer guy) to start working on a trailer
• Make a livestream event on Youtube if there are probably enough people for it. Optional: make pre-stream questions for general audience
• Make high priority questions thread for the VIP patrons
• 1 day before release: merge last small fix PRs
• Merge last translations PR (first push all pending changes from weblate)
• Make sure trailer is ready to go
• Run scripts/update_translation_progress.rb
• Update credits with scripts/retrieve_credits.rb
• On the day of release: compile and upload builds to Github release draft
• Push the release version to the stable channel for game stores
• Publish the release on Github
• Update the launcher repo to have the new version listed in the launcher
• Publish the trailer on our Youtube channel
• Publish the devblog
• Link the release on Github to the devblog and link the trailer in the devblog
• After the release: turn the auto comment to Github off
• Post general feedback thread on the community forums
• Have the release livestream