KWSys: Update to version as of 2021-09-03
In particular, integrate utils/kwsys!228 (merged).
Backport: release:HEAD^2
Edited by Brad King
A GitLab update will be applied on May 23, between 8am and 10am, EDT (UTC-04:00). This site may have intermittent delays during that time.
In particular, integrate utils/kwsys!228 (merged).
Backport: release:HEAD^2