What's Changed
* Switching to `pyproject.toml` by tdegeus in https://github.com/tdegeus/GooseBib/pull/73
* pre-commit autoupdate by tdegeus in https://github.com/tdegeus/GooseBib/pull/74
* CI: various updates by tdegeus in https://github.com/tdegeus/GooseBib/pull/75
* Minor formatting update by tdegeus in https://github.com/tdegeus/GooseBib/pull/76
* Possible speed-up: lookup journals on unique input list by tdegeus in https://github.com/tdegeus/GooseBib/pull/77
* Making `GbibClean` available from Python by tdegeus in https://github.com/tdegeus/GooseBib/pull/78
* `GbibClean` adding option `--rename-field` by tdegeus in https://github.com/tdegeus/GooseBib/pull/79
* Allow extra fields with `GbibClean` by tdegeus in https://github.com/tdegeus/GooseBib/pull/80
**Full Changelog**: https://github.com/tdegeus/GooseBib/compare/v0.8.1...v0.9.0