Bump urllib3 from 1.26.5 to 1.26.17 in /doc/sphinx #185

Job	Run time
build (host-os, ubuntu-20.04, Debug, default)	1h 43m 41s
build (host-os, ubuntu-20.04, Release, default)	1h 9m 56s
build (host-os, ubuntu-22.04, Debug, default)	1h 7m 40s
build (host-os, ubuntu-22.04, Release, default)	1h 4m 36s
build (host-os, windows-2022, Release, default)	1h 6m 21s
build (host-os, macos-12, Debug, default)	43m 8s
build (host-os, macos-12, Release, default)	48m 7s
build (iphoneos, macos-12, Debug)	17m 16s
build (iphonesimulator, macos-12, Debug)	33m 13s
build (ubuntu-22.04, Debug, clang)	52m 41s
	9h 26m 39s

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