Added

• #357 Extended support for regridder saving/loading to all regridders.
• #319 Added CITATION.cff.

Changed

• #361 Moved the code for running benchmarks to bm_runner.py in line with iris benchmarks.
• #293 Enumerated method and normtype input.

Fixed

• #239 Ensured dtype is preserved by regridding.
• #353 Fixed a bug which caused errors with ESMF versions 8.6 and higher.
• #338 Fixed a potential memory leak when creating regridders.