Decaylanguage

* Parsing of decay files (aka .dec files):
- Remove deprecated method DecFileParser.load_grammar.
* Miscellaneous:
- Added support for Python 3.13.
- Added attestations.
* CI and tests:
- Codecov back working again - required tokens.
- Faster CI with `uv`.
- Updates to pre-commit hooks and CI YAML files.

* Parsing of decay files (aka .dec files):
- Fixes for a couple of bugs.
* CI and tests:
- Updates to pre-commit hooks and CI YAML files.

* Parsing of decay files (aka .dec files):
- Added new EvtGen models for full support for all known Belle-II and LHCb models.
* Dependencies:
- Support for Python 3.12 added and support for Python 3.7 removed.
* Miscellaneous:
- Moved to PyPI Trusted Publishers.
- Use Ruff format instead of Black.
* CI and tests:
- Updates to pre-commit hooks and CI YAML files.

* 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.