Ensure empty body response for 1xx/204/304 per RFC 9112 sec 6.3 #1328

Job	Run time
Linter	1m 20s
Linter	1m 20s
Generate llhttp sources	7s
Generate llhttp sources	7s
Test (3.8, ubuntu, false)	6m 36s
Test (3.8, ubuntu, false)	6m 36s
Test (3.8, windows, false)	6m 57s
Test (3.8, windows, false)	13m 24s
Test (3.8, Y, ubuntu, false)	5m 24s
Test (3.8, Y, ubuntu, false)	5m 24s
Test (3.9, ubuntu, false)	6m 56s
Test (3.9, ubuntu, false)	7m 21s
Test (3.9, macos, false)	7m 3s
Test (3.9, macos, false)	7m 10s
Test (3.9, windows, false)	6m 58s
Test (3.9, windows, false)	14m 53s
Test (3.9, Y, ubuntu, false)	7m 7s
Test (3.9, Y, ubuntu, false)	6m 39s
Test (3.10, ubuntu, false)	7m 8s
Test (3.10, ubuntu, false)	6m 52s
Test (3.10, macos, false)	7m 3s
Test (3.10, macos, false)	8m 28s
Test (3.10, windows, false)	7m 0s
Test (3.10, windows, false)	17m 5s
Test (3.10, Y, ubuntu, false)	7m 7s
Test (3.10, Y, ubuntu, false)	7m 36s
Test (pypy-3.8, Y, ubuntu, false)	6m 51s
Test (pypy-3.8, Y, ubuntu, false)	10m 33s
Test (macos, 3.11, true, Y)	7m 9s
Test (macos, 3.11, true, Y)	16m 13s
Test (ubuntu, 3.11, false, Y)	6m 53s
Test (ubuntu, 3.11, false, Y)	6m 30s
Test (windows, 3.11, true, Y)	5m 48s
Test (windows, 3.11, true, Y)	24m 47s
Test (ubuntu, 3.12, true, Y)	6m 57s
Test (ubuntu, 3.12, true, Y)	6m 33s
Test (macos, 3.12, true, Y)	7m 6s
Test (macos, 3.12, true, Y)	6m 41s
Test (windows, 3.12, true, Y)	6m 55s
Test (windows, 3.12, true, Y)	27m 24s
check	3s
check	4s
Pre-Deploy	0s
Pre-Deploy	0s
Tarball	0s
Tarball	0s
Build wheels on ${{ matrix.os }} ${{ matrix.qemu }}	0s
Build wheels on ${{ matrix.os }} ${{ matrix.qemu }}	0s
Deploy	0s
Deploy	0s
	5h 26m 8s

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