Merge tag 'pull-halloween-omnibus-311023-2' of https://gitlab.com/stsquad/qemu into...

Merge tag 'pull-halloween-omnibus-311023-2' of https://gitlab.com/stsquad/qemu into staging

Maintainer updates for testing, gitlab, gdbstub and plugins:

  - add dtc package to openbsd VMs
  - use -fno-stack-protector for non-stdlib tests
  - split alpha and sh4 compilers into legacy image
  - harmonise other compilers into debian-all-test-cross
  - fix NULL check in gdb_regs
  - fix memleak in semihosting
  - remove unused parameter in plugin code
  - fix fd leak in lockstep plugin

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* tag 'pull-halloween-omnibus-311023-2' of https://gitlab.com/stsquad/qemu:
  contrib/plugins: Close file descriptor on error return
  plugins: Remove an extra parameter
  semihosting: fix memleak at semihosting_arg_fallback
  gdbstub: Check if gdb_regs is NULL
  tests/docker: upgrade debian-all-test-cross to bookworm
  tests/docker: use debian-all-test-cross for sparc64
  tests/docker: use debian-all-test-cross for riscv64
  tests/docker: use debian-all-test-cross for mips
  tests/docker: use debian-all-test-cross for mips64
  tests/docker: use debian-all-test-cross for m68k
  tests/docker: use debian-all-test-cross for hppa
  tests/docker: use debian-all-test-cross for power
  tests/docker: move sh4 to use debian-legacy-test-cross
  tests/docker: use debian-legacy-test-cross for alpha
  gitlab: add build-loongarch to matrix
  gitlab: clean-up build-soft-softmmu job
  gitlab: split alpha testing into a legacy container
  tests/tcg: Add -fno-stack-protector
  tests/vm/openbsd: Use the system dtc package

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