Bump urllib3 in /continuous-integration/python-requirements #1816

Job	Run time
create-source-distribution	1m 49s
lint	4m 35s
create-windows-binary-distribution (3.7)	6m 6s
create-windows-binary-distribution (3.8)	9m 21s
create-windows-binary-distribution (3.9)	7m 35s
create-windows-binary-distribution (3.10)	6m 47s
create-windows-binary-distribution (3.11)	6m 19s
test-linux-source-distribution (ubuntu:20.04)	18m 38s
test-linux-source-distribution (ubuntu:22.04)	19m 20s
test-linux-source-distribution (ubuntu:23.04)	18m 27s
test-linux-source-distribution (fedora:35)	16m 8s
test-linux-source-distribution (fedora:36)	18m 21s
test-linux-source-distribution (fedora:37)	20m 33s
test-windows-binary-distribution (3.7)	21m 7s
test-windows-binary-distribution (3.8)	20m 34s
test-windows-binary-distribution (3.9)	21m 28s
test-windows-binary-distribution (3.10)	17m 28s
test-windows-binary-distribution (3.11)	21m 21s
deploy	40s
	4h 16m 37s

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