Bump :lang scheme
Bump :lang scheme

jaor/geiser@8e61c27 -> emacs-geiser/geiser@aa26163

The upstream repo was moved. MELPA has since been updated so an explicit
:recipe isn't strictly necessary, but I'll use it for the time being
just to be sure (in case of outdated local melpa recipe repos).

hlissner/.emacs.d,hlissner/.emacs.d,hlissner/.emacs.d,hlissner/doom-emacs,hlissner/doom-emacs,hlissner/.emacs.d,hlissner/doom-emacs,hlissner/.emacs.d,hlissner/doom-emacs,hlissner/doom-emacs,hlissner/.emacs.d,hlissner/doom-emacs,hlissner/.emacs.d,hlissner/.emacs.d,hlissner/doom-emacs