Tests now pass with that version(*).

(*) the tests pass modulo leak detection in -asan variants which is
    still broken for all py3 ≥ 3.11 as initially established in f9e52cb7
    (tox: *-asan: Activate LeakSanitizer on recent CPython 3).

/reviewed-by @jerome
/reviewed-on nexedi/pygolang!39 + nexedi/slapos!1863 (comment 260064)