[doc] Update sphinx (#734) #4558

Job	Run time
pre-commit / check-file-sizes	6s
pre-commit / pre-commit	2m 4s
windows / msvc-build (Release)	3m 39s
ubuntu / gcc-build (ubuntu-24.04, Release)	2m 31s
ubuntu / clang-build (ubuntu-24.04)	3m 3s
mac / clang-build (Release)	2m 37s
windows / clang-build	4m 19s
windows / msvc-build (Debug)	3m 21s
mac / clang-build (Debug)	2m 58s
ubuntu / gcc-build (ubuntu-24.04, Debug)	2m 22s
ubuntu / gcc-test (ubuntu-24.04)	8m 23s
mac / clang-test	4m 57s
ubuntu / clang-sanitizer-build (ubuntu-24.04)	3m 27s
ubuntu / clang-test (ubuntu-24.04)	8m 23s
windows / msvc-test	4m 54s
windows / clang-test	2m 58s
ubuntu / clang-sanitizer-test (ubuntu-24.04)	2m 55s
mac / clang-test-extended	3m 5s
windows / clang-test-extended	3m 1s
windows / msvc-test-extended	2m 55s
ubuntu / clang-sanitizer-test-extended (ubuntu-24.04)	2m 29s
ubuntu / gcc-test-extended (ubuntu-24.04)	4m 33s
ubuntu / clang-test-extended (ubuntu-24.04)	4m 26s
ubuntu / gcc-build-codecov	7m 44s
perf / ubuntu-gcc-build-perf-stats	1m 43s
perf / macos-clang-build-perf-stats	2m 11s
pages / build-scoreboard	16s
pages / build-doxygen-xml	16s
pages / build-sphinx	38s
pages / deploy-pages	19s
	1h 36m 33s

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