Release process

To release a new version of DCS Liberation:

1. Update changelog and release number in the release branch.
2. Make PR from the release branch to master
3. Merge when the build passes
4. Tag master when the build is complete. Format for release tags is $MAJOR.$MINOR.$PATCH. Do not create a release. A release will be created automatically by the GitHub action from the tag.
5. Smoke test the tagged build
6. In Releases, promote the tagged build to a release. Include the changelog in the description section.
7. Announce the release in #:loudspeaker:releases in Discord.