Unpin urllib3 in dev dependencies #1680

Job	Run time
min-versions	13s
docs	1m 46s
dev and docs requirements check	21s
build (3.9, ubuntu-latest)	50s
pre-release	9s
upstream	0s
build (3.9, windows-latest)	2m 46s
build (3.10, ubuntu-latest)	1m 3s
build (3.10, windows-latest)	2m 27s
build (3.10, macos-latest)	1m 7s
build (3.11, ubuntu-latest)	51s
build (3.11, windows-latest)	2m 30s
build (3.11, macos-latest)	46s
build (3.12, ubuntu-latest)	1m 6s
build (3.12, windows-latest)	2m 35s
build (3.12, macos-latest)	49s
	19m 19s

Provide feedback