ABI [is compatible](https://abi-laboratory.pro/tracker/timeline/wayland/). Other changes:
- Allow `memfd_create` on FreeBSD 13 for sealing
- Drop `ms_timeout` workaround in favor of [upstream fix](https://gitlab.freedesktop.org/wayland/wayland/commit/75d14834570b)
- Drop `posix_fallocate` patch as it was disabled in rP455878
- Adjust `posix_fallocate` comment for more clarity