Contents
- Set $version to final in Makefile (drop the "dev" suffix)
- Set date and final $version in CHANGELOG.md
- Commit
- Tag $version
- Publish to PGXN (make dist and upload to https://manager.pgxn.org/upload)
- if $version ends in 0, then: branch release-$major.$minor
- Set new target version (in both master and release branch if any)
- Push commits, tags and branches (if any made)