Bump undici from 5.27.2 to 5.28.3 #721

Job	Run time
Test pip (Python 3.9, ubuntu-latest)	17s
Test pip (Python pypy-3.7-v7.x, ubuntu-latest)	25s
Test pip (Python 3.9, windows-latest)	36s
Test pip (Python pypy-3.7-v7.x, windows-latest)	1m 0s
Test pip (Python 3.9, macos-latest)	26s
Test pip (Python pypy-3.7-v7.x, macos-latest)	41s
Test pip (Python 3.9, ubuntu-latest)	13s
Test pip (Python pypy-3.7-v7.x, ubuntu-latest)	32s
Test pip (Python 3.9, windows-latest)	36s
Test pip (Python pypy-3.7-v7.x, windows-latest)	53s
Test pip (Python 3.9, macos-latest)	18s
Test pip (Python pypy-3.7-v7.x, macos-latest)	29s
Test pipenv (Python 3.9, ubuntu-latest)	17s
Test pipenv (Python pypy-3.9-v7.x, ubuntu-latest)	27s
Test pipenv (Python 3.9, ubuntu-latest)	21s
Test pipenv (Python 3.9, windows-latest)	41s
Test pipenv (Python pypy-3.9-v7.x, ubuntu-latest)	22s
Test pipenv (Python pypy-3.9-v7.x, windows-latest)	1m 16s
Test pipenv (Python 3.9, windows-latest)	58s
Test pipenv (Python 3.9, macos-latest)	21s
Test pipenv (Python pypy-3.9-v7.x, windows-latest)	1m 37s
Test pipenv (Python pypy-3.9-v7.x, macos-latest)	26s
Test pipenv (Python 3.9, macos-latest)	33s
Test poetry (Python 3.9, ubuntu-latest)	19s
Test pipenv (Python pypy-3.9-v7.x, macos-latest)	28s
Test poetry (Python pypy-3.8, ubuntu-latest)	15s
Test poetry (Python 3.9, windows-latest)	43s
Test poetry (Python pypy-3.8, windows-latest)	1m 14s
Test poetry (Python 3.9, macos-latest)	21s
Test poetry (Python pypy-3.8, macos-latest)	23s
	17m 28s

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