chore: urllib3's request body not stripped after redirect from 303 st… #56

Job	Run time
build-and-test (ubuntu-latest, 3.9)	59s
build-and-test (ubuntu-latest, 3.10)	1m 1s
build-and-test (ubuntu-latest, 3.11)	54s
build-and-test (macos-latest, 3.9)	1m 39s
build-and-test (macos-latest, 3.10)	1m 39s
build-and-test (macos-latest, 3.11)	1m 40s
build-and-test (windows-latest, 3.9)	1m 33s
build-and-test (windows-latest, 3.10)	1m 43s
build-and-test (windows-latest, 3.11)	1m 35s
	12m 43s

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