sbt 2 migration
- Cross build to 2.0.0-RC3 by @xuwei-k in https://github.com/foundweekends/giter8/pull/975
- Cross build to sbt 2.0.0-RC4 by @xuwei-k in https://github.com/foundweekends/giter8/pull/983
- Cross build to sbt 2.0.0-RC5 by @xuwei-k in https://github.com/foundweekends/giter8/pull/999
- Fixes Scala 3 warnings by @xuwei-k in https://github.com/foundweekends/giter8/pull/982
- Fi...