Yep I'm getting that too, I can't re-install these packages:
sudo pacman -S lib32-libcap lib32-elogind lib32-artix-archlinux-support
[sudo] password for kz:
resolving dependencies...
warning: cannot resolve "libcap=2.65", a dependency of "lib32-libcap"
warning: cannot resolve "libcap=2.65", a dependency of "lib32-libcap"
warning: cannot resolve "lib32-libcap", a dependency of "lib32-elogind"
warning: cannot resolve "libcap=2.65", a dependency of "lib32-libcap"
warning: cannot resolve "lib32-libcap", a dependency of "lib32-elogind"
warning: cannot resolve "lib32-elogind", a dependency of "lib32-artix-archlinux-support"
:: The following packages cannot be upgraded due to unresolvable dependencies:
lib32-libcap lib32-elogind lib32-artix-archlinux-support
:: Do you want to skip the above packages for this upgrade? [y/N] n
error: failed to prepare transaction (could not satisfy dependencies)
:: unable to satisfy dependency 'libcap=2.65' required by lib32-libcap
:: unable to satisfy dependency 'libcap=2.65' required by lib32-libcap
:: unable to satisfy dependency 'lib32-libcap' required by lib32-elogind
:: unable to satisfy dependency 'libcap=2.65' required by lib32-libcap
:: unable to satisfy dependency 'lib32-libcap' required by lib32-elogind
:: unable to satisfy dependency 'lib32-elogind' required by lib32-artix-archlinux-support
I assume these packages need to be rebuilt to work. Thankfully it doesn't break anything for me.