Fix connecting to npipe://, tcp://, and unix:// urls #4283

Job	Run time
Linter	1m 4s
Generate llhttp sources	5s
Test (3.8, ubuntu, false)	5m 51s
Test (3.8, windows, false)	5m 2s
Test (3.8, Y, ubuntu, false)	4m 51s
Test (3.9, ubuntu, false)	5m 50s
Test (3.9, macos, false)	3m 50s
Test (3.9, windows, false)	7m 44s
Test (3.9, Y, ubuntu, false)	4m 59s
Test (3.10, ubuntu, false)	6m 34s
Test (3.10, macos, false)	3m 52s
Test (3.10, windows, false)	5m 54s
Test (3.10, Y, ubuntu, false)	4m 49s
Test (3.11, ubuntu, false)	4m 59s
Test (3.11, macos, false)	3m 52s
Test (3.11, windows, false)	7m 0s
Test (3.11, Y, ubuntu, false)	5m 22s
Test (3.12, ubuntu, false)	5m 24s
Test (3.12, macos, false)	4m 12s
Test (3.12, windows, false)	6m 36s
Test (3.12, Y, ubuntu, false)	6m 25s
Test (pypy-3.9, Y, ubuntu, false)	10m 27s
Test (ubuntu, 3.13, true, Y)	1m 27s
check	2s
Pre-Deploy	0s
Tarball	0s
Build wheels on ${{ matrix.os }} ${{ matrix.qemu }}	0s
Deploy	0s
	1h 56m 11s

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