Add `swig4.0` binary so that it can be found by tools that prioritise… #918

Job	Run time
Build source distributions	15s
Build x86_64 wheels on ubuntu-20.04	3m 8s
Build i686 wheels on ubuntu-20.04	3m 11s
Build manylinux_aarch64 wheels on ubuntu-20.04	21m 18s
Build musllinux_aarch64 wheels on ubuntu-20.04	10m 32s
Build manylinux_ppc64le wheels on ubuntu-20.04	20m 45s
Build musllinux_ppc64le wheels on ubuntu-20.04	9m 59s
Build manylinux_s390x wheels on ubuntu-20.04	19m 6s
Build musllinux_s390x wheels on ubuntu-20.04	9m 49s
Build AMD64 wheels on windows-2019	4m 12s
Build x86 wheels on windows-2019	4m 11s
Build arm64 universal2 x86_64 wheels on macos-14	4m 46s
Check dist	11s
Upload release to PyPI	0s
	1h 51m 23s

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