Bumped version to 2.2.0.
Bumped version to 2.2.0.

rahulkavale/scalatest,flicken/scalatest,dotty-staging/scalatest,flicken/scalatest,triggerNZ/scalatest,SRGOM/scalatest,triggerNZ/scalatest,matterche/scalatest,SRGOM/scalatest,rfries/scalatest,scalatest/scalatest,matterche/scalatest,SRGOM/scalatest,janekdb/scalatest,dotty-staging/scalatest,dotty-staging/scalatest,matterche/scalatest,gcberger/scalatest,janekdb/scalatest,rfries/scalatest,gcberger/scalatest,janekdb/scalatest,gcberger/scalatest,flicken/scalatest,rahulkavale/scalatest,SRGOM/scalatest,cheeseng/scalatest,flicken/scalatest,matterche/scalatest,scalatest/scalatest,rahulkavale/scalatest,triggerNZ/scalatest,gcberger/scalatest,rfries/scalatest,cheeseng/scalatest,rfries/scalatest,janekdb/scalatest,cheeseng/scalatest,rahulkavale/scalatest,triggerNZ/scalatest,scalatest/scalatest