Merge tag 'pbouvier/pr/dockerfiles-20260708' of https://gitlab.com/p-b-o/qemu into staging

Changes:
- [PATCH 0/4] tests/docker/dockerfiles: add missing apt update (Pierrick Bouvier <pierrick.bouvier@oss.qualcomm.com>)
  Link: https://lore.kernel.org/qemu-devel/20260707214655.1138626-1-pierrick.bouvier@oss.qualcomm.com

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* tag 'pbouvier/pr/dockerfiles-20260708' of https://gitlab.com/p-b-o/qemu:
  tests/docker/dockerfiles/debian-all-test-cross.docker: add missing apt update
  tests/docker/dockerfiles/debian.docker: add missing apt update
  tests/docker/dockerfiles/ubuntu2404.docker: add missing apt update
  tests/lcitool/refresh: use raw string literal for trailers

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