Build SDL3 for ReadTheDocs workflow #1087

Job	Run time
mypy	27s
ruff	6s
sdist	2m 46s
parse_sdl (macos-latest, 3.2.16)	26s
parse_sdl (windows-latest, 3.2.16)	1m 10s
test-docs	3m 29s
build (ubuntu-latest, pypy-3.10, x64)	6m 6s
build (windows-latest, pypy-3.10, x86)	3m 28s
build (windows-latest, 3.10, x86)	3m 37s
build (ubuntu-latest, 3.10, x64)	6m 18s
build (windows-latest, pypy-3.10, x64)	4m 2s
build-macos (pp310-*)	4m 58s
build (windows-latest, 3.10, x64)	3m 20s
build-macos (cp310-*_universal2)	1m 51s
linux-wheels (x86_64, pp310-manylinux*)	3m 55s
tox (ubuntu-latest)	4m 48s
linux-wheels (aarch64, cp310-manylinux*)	4m 57s
linux-wheels (x86_64, cp310-manylinux*)	4m 8s
linux-wheels (aarch64, pp310-manylinux*)	4m 53s
publish	0s
	1h 4m 45s

Provide feedback