[PRQ#41078] Merge Request for texmacs-guile3

hammer [1] filed a request to merge texmacs-guile3 [2] into texmacs [3]: Not stick to a commit, transfer to `-git`. [1] https://aur.archlinux.org/account/hammer/ [2] https://aur.archlinux.org/pkgbase/texmacs-guile3/ [3] https://aur.archlinux.org/pkgbase/texmacs/