how-to-release.md

• update CHANGELOG.md
• bump [package] version in Cargo.toml
• update Cargo.lock: cargo check
• bump version in package.nix
• update cargoHash: nix build
• git commit -m 'version x.x.x'
• git tag -am x.x.x x.x.x
• git push
• git push --tags
• git push -f origin @:latest