[PR #10122/703ce61 backport][3.12] Typing improvements for file responses #9025

Job	Run time
Generate llhttp sources	9s
Linter	55s
Benchmark	4m 51s
Test (3.9, ubuntu, false)	3m 33s
Test (3.9, macos, false)	2m 56s
Test (3.9, windows, false)	4m 24s
Test (3.9, Y, ubuntu, false)	3m 18s
Test (3.10, ubuntu, false)	3m 36s
Test (3.10, macos, false)	3m 42s
Test (3.10, windows, false)	4m 32s
Test (3.10, Y, ubuntu, false)	3m 28s
Test (3.11, ubuntu, false)	3m 22s
Test (3.11, macos, false)	2m 33s
Test (3.11, windows, false)	4m 49s
Test (3.11, Y, ubuntu, false)	3m 4s
Test (3.12, ubuntu, false)	4m 6s
Test (3.12, macos, false)	3m 11s
Test (3.12, windows, false)	4m 29s
Test (3.12, Y, ubuntu, false)	3m 34s
Test (3.13, ubuntu, false)	4m 0s
Test (3.13, macos, false)	2m 45s
Test (3.13, windows, false)	4m 37s
Test (3.13, Y, ubuntu, false)	3m 41s
Test (pypy-3.9, Y, ubuntu, false)	7m 31s
check	2s
Pre-Deploy	0s
Build wheels on ${{ matrix.os }} ${{ matrix.qemu }}	0s
Tarball	0s
Deploy	0s
	1h 27m 8s

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