Merge tag 'python-pull-request' of https://gitlab.com/jsnow/qemu into staging

Python Pull Request

Python 3.14 support & synchronize with python-qemu-qmp repo

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* tag 'python-pull-request' of https://gitlab.com/jsnow/qemu:
  iotests/check: always enable all python warnings
  iotests/151: ensure subprocesses are cleaned up
  iotests/147: ensure temporary sockets are closed before exiting
  python: ensure QEMUQtestProtocol closes its socket
  iotests: drop compat for old version context manager
  python: synchronize qemu.qmp documentation
  python: backport 'avoid creating additional event loops per thread'
  python: backport 'Remove deprecated get_event_loop calls'
  python: backport 'qmp-tui: Do not crash if optional dependencies are not met'
  python: backport 'qmp-shell-wrap: handle missing binary gracefully'
  python: backport 'make require() preserve async-ness'
  python: backport 'feat: allow setting read buffer limit'
  python: backport 'qmp-shell: add common_parser()'
  python: backport 'Use @asynciocontextmanager'
  python: backport 'drop Python3.6 workarounds'
  python: backport 'protocol: adjust logging name when changing client name'
  python: backport 'kick event queue on legacy event_pull()'
  python: backport 'EventListener: add __repr__ method'
  python: backport 'Change error classes to have better repr methods'

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>