v28.4

This is a bug fix release. The following issues have been addressed:

* Fix VFIO on platforms with non-4k page size (#5450)
* Fix seccomp filter lists related to virtio-console, serial and pty
(#5506, #5524)
* Populate APIC ID properly (#5512)
* Ignore and warn TAP FDs in more situations (#5522)
* Disallow concurrent CPU resizing (#5668)
* Use wrapping add for memory offset from instruction emulator (#5719)
* Replace unsound `static mut` with `once_cell` (#5772)
* Fix a deadlock when TDX is enabled (#5845)
* Bug fix to OpenAPI specification file (#5967)
* Error out early for live migration when TDX is enabled (#6025)