Merge topic 'cps-fix-extra-schema' into release-4.0

83b22da7ac cmPackageInfoReader: Inherit cps_version
caff0d62c6 cmFindPackageCommand: Simplify cmStrCat

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: buildbot <buildbot@kitware.com>
Merge-request: !10329