Update ReadTheDocs config #164

Job	Run time
Check formatting of pySplashsurf crate	8s
Run stub generator	32s
Build wheel for documentation and tests	2m 57s
Build wheels for macOS aarch64	2m 2s
Build wheels for macOS x86_64	6m 10s
Build wheels for Linux i686	5m 3s
Build wheels for Linux x86_64	3m 10s
Build wheels for Linux aarch64	3m 25s
Build wheels for Windows i686	5m 10s
Build wheels for Linux armv7	3m 10s
Build source distribution	17s
Build wheels for Windows aarch64	4m 48s
Build wheels for Windows x86_64	6m 58s
Build documentation	24s
Run pytest	2m 31s
Publish to PyPI	0s
Read the Docs trigger	0s
	46m 45s

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