Decaylanguage

* Parsing of decay files (aka .dec files):
- EvtGen "Particle" statement understands optional widths.
* CI and tests:
- Updates to pre-commit hooks and CI YAML files.

* Parsing of decay files (aka .dec files):
- Dynamically supply a list of decay models to the parsing grammar.
* CI and tests:
- Updates to pre-commit hooks and CI YAML files.

* Parsing of decay files (aka .dec files):
- Major update of test suite to verify all EvtGen models are parsed correctly.
- Hence full support for all known Belle-II and LHCb EvtGen models.
- Lark parser grammar for decay files parsing refactored and simplified.
- Minor fixes to decay model parsing.
- Better type hints in decay file parsing classes.
- General test suite enhanced.
* Miscellaneous:
- Modernisation of Ruff configuration in `pyproject.toml`.
* CI and tests:
- Updates to pre-commit hooks and CI YAML files.

* Parsing of decay files (aka .dec files):
- Introduced at test suite to verify that all EvtGen models are parsed correctly (half work done).
- Fixed an LHCb decay model name.
* CI and tests:
- Updates to pre-commit hooks and CI YAML files.

* Parsing of decay files (aka .dec files):
- Updated to the latest LHCb master file DECAY.DEC.
- Significant enhancements, improvements and simplifications to the parsing Lark grammar.
- Allow dec file Decay statements to effectively be able to set a particle as stable.
The package can now successfully parse all 8000-ish LHCb decay files.
- Test suite enhanced with various new tests.
* CI and tests:
- Updates to pre-commit hooks and CI YAML files.

* Parsing of decay files (aka .dec files):
- Addition of get methods and tests for recently added EvtGen keywords.
- Minor clean-up.
* Modeling for GooFit/AmpGen:
- Fix in generating code for mass combinations in cascade decays.
* CI and tests:
- Updates to pre-commit hooks and CI YAML files.