Pqam-dparamhu2021

Minor Changes:
- Minor `README` update
- Verified compatibility with Python `3.13` and `3.14` and added them to the testing matrix and metadata
- Testing Action housekeeping

**Full Changelog**: https://github.com/amkrajewski/pqam-dparamhu2021/compare/v0.1.13...v0.1.14

Minor Changes:
- Mitigate `pymatgen`'s incompatibility with `numpy>=2` by setting the maximum version
- Minor updates to the testing routines and versions.

**Full Changelog**: https://github.com/amkrajewski/pqam-dparamhu2021/compare/v0.1.12...v0.1.13

Minor Changes:
- Increase `pymatgen` version to one that patches their critical vulnerability in CIF-parser

**Full Changelog**: https://github.com/amkrajewski/pqam-dparamhu2021/compare/v0.1.11...v0.1.12

Minor Updates:
- Added official **Python 3.12** support to the model.
- Uses newer `rpy2` to take advantage of (1) improved debugging and (2) better compatibility with newer Python versions.
- `README` updates

**Full Changelog**: https://github.com/amkrajewski/pqam-dparamhu2021/compare/v0.1.10...v0.1.11

**Hot Fix**: Added upper limit on `pymatgen` version because [`v2023.9.25`](https://github.com/materialsproject/pymatgen/releases/tag/v2023.9.25) fails to install alongside required `rpy2=>3.5.0` (pymatgen/issues/3348)

Minor Changes:
- Added a JSON file with an explicit machine-readable output definition in the form of a list of name-unit-definition dictionaries.