feat(Process): Process::isRunning returns true for defunct tagged pro… #626

Job	Run time
mkrelease_win	51s
mkdoc	8m 18s
mkrelease	21s
linux-gcc-cmake-mkrelease	2m 40s
linux-gcc-cmake-mkrelease-all	2m 33s
linux-gcc-make-mkrelease	7m 42s
linux-gcc-make-mkrelease-all	10m 22s
windows-2022-msvc-cmake-mkrelease	11m 9s
windows-2022-msvc-buildwin-x64-mkrelease	18m 43s
windows-2022-msvc-cmake-mkrelease-all	16m 41s
windows-2022-msvc-buildwin-x64-mkrelease-all	28m 42s
	1h 48m 2s

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