scikit-hep/decaylanguage: Version 0.15.0

* Dependencies:
  - Package dependent on `Particle` version 0.21.x.
  - Adapted to Python 3 only `Lark` 1.x series.
  - Support for Python 3.11 added and support for Python 3.6 removed.
* Parsing of decay files (aka .dec files):
  - Updated to the latest Belle II master file DECAY.DEC.
  - Added support for ModelAlias keyword used in Belle II decay files.
* Miscellaneous:
  - Added a CITATION.cff file.
  - Moved over to using hatchling.
  - Started using AllContributors to acknowledge contributions explicitly.
* CI and tests:
  - Updates to pre-commit hooks and CI YAML files.
  - Various improvements to the CI.