Work on release announcement draft in subsurface.github.io repo to get translations

Run scripts/makeRelease.sh
Upload sources to webserver
Push sources and tags to github

Check Launchpad and OBS to ensure release builds have been triggered
Check Mac notorization success
Ensure Windows machine is unlocked and authorize Windows signing
Check that Windows, Mac, AppImage have been moved to downloads/ folder on webserver

Add date to release announcement draft and move to the corresponding _posts directories
Update links on website
- index pages in all languages
- download pages in all languages
Post to Scubaboard
