Add macOS permissions for USB-Serial and DeckLink devices #296

Job	Run time
build-linux-Qt6 (gcc-9)	6m 27s
build-macos-brew-Qt6 (clang-9)	3m 48s
build-linux (gcc-9)	5m 33s
build-macos-no-brew (clang-9)	5m 33s
build-macos-no-brew-Qt6 (clang-9)	6m 4s
build-windows-mingw (5.15.*)	14m 50s
build-windows-mingw-Qt6 (6.5.*, qtmultimedia qt5compat)	17m 30s
build-windows-vs (5.15.*)	11m 33s
build-windows-vs-Qt6 (6.3.*, qtmultimedia qt5compat)	19m 15s
build-macos-brew (clang-9)	3m 4s
	1h 33m 37s

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