KWSys: Update to version as of 2021-06-28
In particular, integrate utils/kwsys!221 (merged) and utils/kwsys!223 (merged).
Fixes: #22321 (closed)
Backport: release
Edited by Brad King
In particular, integrate utils/kwsys!221 (merged) and utils/kwsys!223 (merged).
Fixes: #22321 (closed)
Backport: release