Build SDL3 for ReadTheDocs workflow #1103

Job	Run time
ruff	6s
sdist	2m 20s
mypy	31s
parse_sdl (macos-latest, 3.2.16)	22s
parse_sdl (windows-latest, 3.2.16)	52s
test-docs	3m 31s
tox (ubuntu-latest)	3m 40s
build (windows-latest, 3.10, x64)	3m 25s
build (ubuntu-latest, 3.10, x64)	6m 4s
build (windows-latest, pypy-3.10, x86)	7m 42s
build (ubuntu-latest, pypy-3.10, x64)	6m 41s
build-macos (cp310-*_universal2)	2m 16s
build-macos (pp310-*)	4m 13s
build (windows-latest, 3.10, x86)	4m 59s
build (windows-latest, pypy-3.10, x64)	4m 22s
linux-wheels (x86_64, cp310-manylinux*)	4m 12s
linux-wheels (x86_64, pp310-manylinux*)	3m 58s
linux-wheels (aarch64, cp310-manylinux*)	5m 27s
linux-wheels (aarch64, pp310-manylinux*)	4m 38s
publish	-1s
	1h 9m 18s

Provide feedback