.github/workflows/ci-sage.yml: New #19

Job	Run time
Build sdist (and upload to PyPI on release tags)	37s
Build wheels on ubuntu-latest, arch x86_64	21m 20s
Build wheels on ubuntu-latest, arch x86_64	21m 27s
Build wheels on ubuntu-latest, arch i686	19m 23s
Build wheels on ubuntu-latest, arch i686	21m 54s
Build wheels on ubuntu-latest, arch aarch64	3h 28m 23s
Build wheels on ubuntu-latest, arch aarch64	3h 30m 47s
Build wheels on macos-13, arch x86_64	7m 54s
Build wheels on macos-14, arch arm64	7m 28s
Upload wheels to PyPI	0s
	8h 39m 13s

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