Version 2.2.1

What's Changed

• Bug/Dataset.extract_track_modifies_input by @ecomodeller in #765
• Dfsu 3d types by @ecomodeller in #767
• Add missing dfsu read x,y test by @ecomodeller in #779
• Dataclass instead of namedtuples by @ecomodeller in #769
• Dataclass instead of tuple by @ecomodeller in #757
• Fix keepdims by @ecomodeller in #778

Full Changelog: v.2.2.0...v2.2.1