use macos-13 for intel release build #189

Job	Run time
release (macos, -intel, x86_64, macos-universal, 13, ./.github/workflows/scripts/mac/scons-build....	8m 26s
release (macos, -intel, x86_64, macos-universal, 13, ./.github/workflows/scripts/mac/scons-build....	9m 22s
release (macos, arm64, -silicon, macos-universal, 14, ./.github/workflows/scripts/mac/scons-build...	3m 6s
release (macos, arm64, -silicon, macos-universal, 14, ./.github/workflows/scripts/mac/scons-build...	4m 48s
release (windows, 2019, ./.github/workflows/scripts/win/scons-build.bat, Release)	5m 46s
release (windows, 2019, ./.github/workflows/scripts/win/scons-build.bat, Debug)	4m 58s
	36m 26s

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