Fix client connection header not reflecting connector `force_close` value #8601

Job	Run time
Generate llhttp sources	7s
Linter	1m 12s
Benchmark	4m 41s
Test (3.9, ubuntu, false)	3m 37s
Test (3.9, macos, false)	3m 14s
Test (3.9, windows, false)	5m 46s
Test (3.9, Y, ubuntu, false)	4m 18s
Test (3.10, ubuntu, false)	3m 50s
Test (3.10, macos, false)	3m 22s
Test (3.10, windows, false)	4m 28s
Test (3.10, Y, ubuntu, false)	4m 18s
Test (3.11, ubuntu, false)	3m 29s
Test (3.11, macos, false)	3m 23s
Test (3.11, windows, false)	5m 10s
Test (3.11, Y, ubuntu, false)	4m 2s
Test (3.12, ubuntu, false)	4m 4s
Test (3.12, macos, false)	3m 26s
Test (3.12, windows, false)	4m 24s
Test (3.12, Y, ubuntu, false)	4m 18s
Test (3.13, ubuntu, false)	4m 3s
Test (3.13, macos, false)	3m 12s
Test (3.13, windows, false)	5m 33s
Test (3.13, Y, ubuntu, false)	4m 22s
Test (pypy-3.9, Y, ubuntu, false)	7m 35s
Test (ubuntu, 3.14, true, Y)	2m 35s
check	4s
Pre-Deploy	0s
Tarball	0s
Build wheels on ${{ matrix.os }} ${{ matrix.qemu }}	0s
Deploy	0s
	1h 38m 33s

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