Chore: 2.2.0

# [2.2.0](v2.1.1...v2.2.0) (2022-04-11)

## Fix
* version downgrade (coscine/issues#1910)

## Update
* Migrated to .NET6.0 (coscine/issues#1910)
* Migrated to .NET6.0 (coscine/issues#1910)