Update dependency libkrun/libkrun to v1.19.4

[renovate]

This PR contains the following updates:

Package	Update	Change
libkrun/libkrun	minor	v1.18.0 → v1.19.4

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Release Notes

libkrun/libkrun (libkrun/libkrun)

v1.19.4: libkrun-1.19.4

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What's Changed

d98b3fa virtio/fs/macos: secctx must succeed with 0444

Full Changelog: libkrun/libkrun@v1.19.3...v1.19.4

v1.19.3: libkrun-1.19.3

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What's Changed

f3b7a10 libkrun: implement krun_add_virtiofs4
5d61a64 virtio/fs: if simplified disable attribute caching
c733bd7 virtio/fs: support disabling allow_idmap
1792d83 virtio/fs/macos: support different perm semantics
639d348 virtio/fs/macos: propagate context to stat_common
123ad4c Revert "virtio-fs: map host process UID/GID to root in guest on macOS"

Full Changelog: libkrun/libkrun@v1.19.2...v1.19.3

v1.19.2: libkrun-1.19.2

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What's Changed

597f73a Revert "virtio/console: fix TX data loss race on shutdown"

Full Changelog: libkrun/libkrun@v1.19.1...v1.19.2

v1.19.1: libkrun-1.19.1

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What's Changed

23f0da1 ci: switch to ubuntu-26.04 runners
83b9afe CI: Check for improper AI atribution
a4f5fea cpuid: advertise the TSC-deadline timer on AMD hosts
e450c91 virtio/console: fix TX data loss race on shutdown
fbf802f tests/virtiofs-misc: add UID/GID mapping subtests
8816760 virtio-fs: map host process UID/GID to root in guest on macOS
1ecbb29 virtio-fs: add a regression test for scoped_cred restore
a50bd69 virtio-fs: restore the original thread credentials, not euid/egid 0
8dd8176 vmm: properly gate edk2 import, fix crate.io build
05c4eb7 init_blob: fix build from crates.io by making the crate self-contained
9a8fedc deps: fix vm-memory version conflict when used as a Rust dependency
88abdf8 ci: trust libkrun/krun tap before installing formulae on macOS

Full Changelog: libkrun/libkrun@v1.19.0...v1.19.1

v1.19.0: libkrun-1.19.0

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What's Changed

• Prepare 1.19.0 release by @​slp in #​715

Full Changelog: libkrun/libkrun@v1.18.1...v1.19.0

v1.18.1: libkrun-1.18.1

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What's Changed

• Cherry pick commits for v1.18.1 by @​slp in containers#682

Full Changelog: libkrun/libkrun@v1.18.0...v1.18.1

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