feat: add manylinux armv7l #4479

Job	Run time
Linters (mypy, flake8, etc.)	53s
Test cibuildwheel building pyodide wheels	5m 20s
Get qemu emulated architectures	11s
Test on ubuntu-latest (3.13)	42m 22s
Test on windows-latest (3.13)	44m 40s
Test on macos-13 (3.13)	31m 4s
Test on macos-14 (3.13)	16m 3s
Test on ubuntu-latest (3.8)	41m 11s
Test Linux aarch64 using qemu	26m 42s
Test Linux armv7l using qemu	16m 42s
Test Linux ppc64le using qemu	18m 0s
Test Linux s390x using qemu	19m 22s
	4h 22m 30s

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