bal0r [1] filed a deletion request for dns-over-https-git [2]: There is an up-to-date package in extra. Maintainers of dns-over-https quickly push changes to a new version, which is also quickly published in extra. This package closes no gap anymore.
https://archlinux.org/packages/extra/x86_64/dns-over-https/ [1] https://aur.archlinux.org/account/bal0r/ [2] https://aur.archlinux.org/pkgbase/dns-over-https-git/