Merge tag 'pull-request-2024-12-18' of https://gitlab.com/thuth/qemu into staging

Merge tag 'pull-request-2024-12-18' of https://gitlab.com/thuth/qemu into staging

* Lots of functional test improvements (clean-ups, don't fail on
  temporary download errors, etc.)
* Convert some more avocado tests to the functional framework
* Disallow building with libnfs v6 due to an API breakage

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# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]
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* tag 'pull-request-2024-12-18' of https://gitlab.com/thuth/qemu: (38 commits)
  meson.build: Disallow libnfs v6 to fix the broken macOS build
  tests/functional: Convert the hotplug_cpu avocado test
  tests/functional: Convert the intel_iommu avocado test
  tests/functional: Add a helper function for retrieving the hostfwd port
  tests/functional: Convert the arm virt avocado test
  tests/functional: Convert the quanta-gsj avocado test
  MAINTAINERS: add myself as reviewer for functional test suite
  tests/functional: ignore errors when caching assets, except for 404
  tests/functional: skip tests if assets are not available
  tests/functional: remove now unused 'run_cmd' helper
  tests/functional: replace 'run_cmd' with subprocess helpers
  tests/functional: drop back compat imports from utils.py
  tests/functional: convert tests to new uncompress helper
  tests/functional: add 'uncompress' to QemuBaseTest
  tests/functional: add a generalized uncompress helper
  tests/functional: convert tests to new archive_extract helper
  tests/functional: add 'archive_extract' to QemuBaseTest
  tests/functional: add a generalized archive_extract
  tests/functional: let cpio_extract accept filenames
  tests/functional: add common deb_extract helper
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>