Merge topic 'tll-genex-concat'

c1e812ad4f target_link_libraries: Improve tolerance of unquoted generator expressions
5571a31648 target_link_libraries: Handle keyword arguments in dedicated code path
42590df9f9 target_link_libraries: Remove likely-broken ancient compatibility check

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: buildbot <buildbot@kitware.com>
Merge-request: !6989