DOC: fix broken link to wxPython Widget Inspection Tool (#31535) #35644

Job	Run time
Build sdist	1m 30s
Build wheels on windows-latest for AMD64	23m 18s
Build wheels on macos-14 for arm64	10m 43s
Build wheels on ubuntu-latest for x86_64	50m 41s
Build wheels on macos-15-intel for x86_64	27m 3s
Build wheels on ubuntu-24.04-arm for aarch64	11m 3s
Build wheels on windows-11-arm for ARM64	21m 25s
	2h 25m 43s

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