* gnu/packages/patches/gdm-default-session.patch: Update patch for new version of GDM.
Fixes <https://bugs.gnu.org/37831>. Reported by Pierre Neidhardt <mail@ambrevar.xyz>. * gnu/packages/patches/gdm-default-session.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/gnome.scm (gdm)[source]: Use it.