Bump to 0.2.8

prepare for release 0.2.7

prepare for release 0.2.6

Merge pull request polynote#492 from polynote/python_scala.String_err

fix for scala.Predef string error in py interp

Bump version

prepare for release 0.2.3

prepare for release 0.2.2

prepare for release 0.2.1

prepare for release 0.2.0

prepare for release 0.1.24