[aur-requests] [PRQ#11291] Merge Request for zarith

oriba [1] filed a request to merge zarith [2] into ocaml-zarith [3]: Merging 'zarith' into 'ocaml-zarith' to have renamed package. [1] https://aur.archlinux.org/account/oriba/ [2] https://aur.archlinux.org/pkgbase/zarith/ [3] https://aur.archlinux.org/pkgbase/ocaml-zarith/