Pin more sphinxcontrib-* packages #62

Job	Run time
Build wxPython documentation	33m 42s
build-source-dist	10m 47s
build-wheels (ubuntu-22.04, 3.8, x64)	24m 48s
build-wheels (ubuntu-22.04, 3.9, x64)	24m 42s
build-wheels (ubuntu-22.04, 3.10, x64)	23m 28s
build-wheels (ubuntu-22.04, 3.11, x64)	24m 5s
build-wheels (ubuntu-22.04, 3.12, x64)	23m 56s
build-wheels (ubuntu-22.04, 3.13-dev, x64)	23m 38s
build-wheels (windows-2022, 3.8, x86)	23m 28s
build-wheels (windows-2022, 3.8, x64)	21m 20s
build-wheels (windows-2022, 3.9, x86)	23m 49s
build-wheels (windows-2022, 3.9, x64)	21m 45s
build-wheels (windows-2022, 3.10, x86)	22m 28s
build-wheels (windows-2022, 3.10, x64)	21m 26s
build-wheels (windows-2022, 3.11, x86)	23m 21s
build-wheels (windows-2022, 3.11, x64)	22m 54s
build-wheels (windows-2022, 3.12, x86)	23m 38s
build-wheels (windows-2022, 3.12, x64)	21m 10s
build-wheels (windows-2022, 3.13-dev, x86)	23m 27s
build-wheels (windows-2022, 3.13-dev, x64)	22m 28s
build-wheels (macos-13, 3.8, x64)	45m 10s
build-wheels (macos-13, 3.9, x64)	38m 12s
build-wheels (macos-13, 3.10, x64)	40m 29s
build-wheels (macos-13, 3.11, x64)	37m 22s
build-wheels (macos-13, 3.12, x64)	36m 48s
build-wheels (macos-13, 3.13-dev, x64)	34m 23s
Upload wheels to snapshot-builds on wxpython.org	1m 41s
Publish Python distribution to PyPI	0s
Create GitHub Release and upload source	0s
	11h 34m 25s

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