fix: bound QuestionHistory size to prevent LAN-driven OOM #5347

Job	Run time
Lint PR Title	5s
benchmark	1m 40s
lint	23s
Lint Commit Messages	11s
test (3.11, windows-latest, skip_cython)	1m 59s
test (3.11, ubuntu-latest, skip_cython)	1m 15s
test (3.10, ubuntu-latest, skip_cython)	1m 24s
test (3.11, macos-latest, skip_cython)	1m 32s
test (3.12, ubuntu-latest, use_cython)	2m 1s
test (3.10, windows-latest, skip_cython)	1m 45s
test (3.11, ubuntu-latest, use_cython)	1m 55s
test (3.10, ubuntu-latest, use_cython)	1m 59s
test (3.13, ubuntu-latest, skip_cython)	1m 30s
test (3.13, windows-latest, skip_cython)	1m 59s
test (3.13, macos-latest, skip_cython)	1m 33s
test (3.12, ubuntu-latest, skip_cython)	1m 28s
test (3.10, macos-latest, skip_cython)	1m 45s
test (3.14, ubuntu-latest, use_cython)	1m 53s
test (3.14t, windows-latest, skip_cython)	2m 21s
test (3.13, ubuntu-latest, use_cython)	2m 9s
test (3.14t, macos-latest, skip_cython)	1m 57s
test (3.14, ubuntu-latest, skip_cython)	1m 18s
test (3.14t, ubuntu-latest, use_cython)	2m 12s
test (3.12, macos-latest, skip_cython)	1m 37s
test (pypy-3.10, ubuntu-latest, use_cython)	3m 16s
test (3.14, windows-latest, skip_cython)	1m 37s
test (3.12, windows-latest, skip_cython)	2m 0s
test (3.14, macos-latest, skip_cython)	1m 16s
test (pypy-3.10, ubuntu-latest, skip_cython)	2m 19s
test (3.14t, ubuntu-latest, skip_cython)	1m 19s
release	0s
upload_pypi	0s
Wheels for ${{ matrix.os }} (${{ (((matrix.musl == 'musllinux') && 'musllinux') \|\| 'manylinux') }}) ${{ matrix.qemu }} ${{ matrix.pyver }}	0s
	49m 38s

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