Replace obsolescent LINK_(PRIVATE|PUBLIC) with (PRIVATE|PUBLIC)

[e-kwsm]

https://cmake.org/cmake/help/v3.3/command/target_link_libraries.html#libraries-for-a-target-and-or-its-dependents-legacy

Signed-off-by: Eisuke Kawashima e-kwsm@users.noreply.github.com

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[github-actions]

Here are the build results
macOS.dmg
Ubuntu-2004.tar.gz
Win64.exe
Artifacts will only be retained for 90 days.

[ghutchis]

Thanks! Much appreciated.