Beets-alternatives

* Fix an issue where items in a symlink collection with relative links were
always unnecessarily updated.
* Support [Beets v2](https://beets.readthedocs.io/en/latest/changelog.html#may-30-2024)

* Add `--all` flag to update command which will update all configured
collections.

* Use the convert’s plugin [`thread` configuration][convert-config] when
transcoding files. ([johnyerhot](https://github.com/johnyerhot))
* Drop support for Python 2. Require Python >= 3.8
* Require beets >= 1.6.0

[convert-config]: https://beets.readthedocs.io/en/latest/plugins/convert.html#configuration

* Add `beet alt list-tracks` command
* SymlinkView: Fix stale symlinks not being removed when files are moved in the
main library [47][]

[47]: https://github.com/geigerzaehler/beets-alternatives/issues/47

* Running `beet completion` does not crash anymore [38][]

[38]: https://github.com/geigerzaehler/beets-alternatives/issues/38

* Symlink views now support relative symlinks (daviddavo)
* Running just `beet alt` does not throw an error anymore (daviddavo)