Bump urllib3 from 1.26.17 to 1.26.18 in /python-setup/tests/poetry/python-3.8 #3776

Job	Run time
Packaging: Action input (ubuntu-latest, latest)	2m 12s
Packaging: Action input (macos-latest, latest)	3m 15s
Packaging: Action input (windows-latest, latest)	5m 27s
Packaging: Action input (ubuntu-latest, default)	1m 43s
Packaging: Action input (macos-latest, default)	2m 49s
Packaging: Action input (windows-latest, default)	6m 54s
Packaging: Action input (ubuntu-latest, nightly-latest)	2m 15s
Packaging: Action input (macos-latest, nightly-latest)	2m 47s
Packaging: Action input (windows-latest, nightly-latest)	5m 20s
	32m 42s

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