raise SIP_CONCAT_PARTS #5314

Job	Run time
build (macos) (macos-14, x64-osx-dynamic-release, 10.15, x86_64)	4m 27s
build (macos) (macos-14, arm64-osx-dynamic-release, 11.0, arm64)	4m 20s
Create dmg	1s
	8m 48s

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