Merge topic 'autogen-makefile-depfile' into release-3.28

d2d1763f88 cmQtAutoGenInitializer: De-duplicate autogen/timestamp target depend logic
6193d15556 Autogen: Restore target-ordering dependencies in Makefiles with DEPFILE

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !9340