Miscellaneous
- Builds and releases are now automated.
mise run releasepicks the next version, builds the changelog, commits, tags and pushes, and the GitLab CI then builds, packages and publishes the tagged release. Packaging moved from the project-localpackage.py/upload.pyscripts to the shared sptbuild tool, driven byplugin.toml, and changelog entries are now managed as towncrier fragments underchanges/.