Allow shell to expand variables, not GHA #1166

Job	Run time
sdists	18s
3.11 ABI py37 macOS -arch x86_64 -arch arm64	4m 22s
3.11 win32 py37	3m 9s
3.11 ABI py39 macOS -arch x86_64 -arch arm64	3m 20s
cp311-cp311 for manylinux2014_x86_64	1m 9s
3.11 win32 py39	2m 5s
pypy-3.10 ABI macOS -arch x86_64	1m 37s
cp311-cp311 for manylinux_2_28_x86_64	1m 8s
3.11 win64 py37	2m 27s
3.11 win64 py39	1m 55s
cp311-cp311 for musllinux_1_2_x86_64	1m 34s
pypy-3.10 win64	3m 9s
cp311-cp311 for manylinux2014_aarch64	2m 29s
cp311-cp311 for manylinux_2_28_aarch64	2m 23s
cp311-cp311 for musllinux_1_2_aarch64	2m 36s
cp311-cp311 for manylinux2014_x86_64	1m 9s
cp311-cp311 for manylinux_2_28_x86_64	1m 15s
cp311-cp311 for musllinux_1_2_x86_64	1m 40s
cp311-cp311 for manylinux2014_aarch64	1m 33s
cp311-cp311 for manylinux_2_28_aarch64	1m 42s
cp311-cp311 for musllinux_1_2_aarch64	2m 29s
pp310-pypy310_pp73 for manylinux_2_28_x86_64	1m 8s
pp310-pypy310_pp73 for manylinux_2_28_aarch64	2m 10s
	46m 47s

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