yochananmarqos [1] filed a deletion request for dracut-hook [2]: No longer necessary. As the wiki page says,
The dracut and dracut-git (AUR) packages include hooks for pacman to automatically generate new initramfs images upon each kernel upgrade. -- https://wiki.archlinux.org/title/Dracut#Generate_a_new_initramfs_on_kernel_upgrade [1] https://aur.archlinux.org/account/yochananmarqos/ [2] https://aur.archlinux.org/pkgbase/dracut-hook/
