apple: add skyemu core to app store build #2237

Job	Run time
msys2-build-test (MINGW64, windows-latest)	8m 38s
msys2-build-test (CLANGARM64, windows-11-arm)	10m 19s
msys2-build-test (CLANG64, windows-latest)	7m 40s
msys2-build-test (UCRT64, windows-latest)	8m 51s
	35m 28s

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