v0.5.1 Better ModelResult itemInfo for pandas and xarray

• Fix bug with missing default itemInfo for pandas ModelResults
• Add itemInfo argument to pandas and xarray ModelResultItem
• DMI api - Better handling of empty datasets

What's Changed

• add max_error to documentation by @jsmariegaard in #107
• DataFrameModelResult missing default itemInfo by @jsmariegaard in #109
• add Python 3.10 to CI by @jsmariegaard in #94
• DMI api - Better handling of empty datasets by @ecomodeller in #108

Full Changelog: v0.5.0...v0.5.1