Merge topic 'graphviz-restore-per-target'

8efdd905f2 Merge branch 'backport-3.18-graphviz-restore-per-target'
a78e991420 Tests: Cover Graphviz support for per-target dependency graph options
370a94c487 Merge branch 'backport-3.17-graphviz-restore-per-target'
1829220310 Merge branch 'backport-3.17-graphviz-restore-per-target'
f3a6b4a209 Tests: Cover Graphviz support for per-target dependency graph options
93549b9224 Graphviz: Restore support for per-target dependency graph options

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !5039