[simple-scan/upd-gitlab-ci] Update archlinux docker image in .gitlab-ci.yml

[Rafael Fontenelle <rafaelff src gnome org>]

commit c72fdb399697e045027ce98bf6e1c294c8880ed1
Author: Rafael Fontenelle <rffontenelle gmail com>
Date:   Mon Mar 29 16:18:35 2021 +0000

    Update archlinux docker image in .gitlab-ci.yml
    
    'archlinux/base' was deprecated in favor of 'archlinux'.
    Using a 6 months old image is giving "kernel too old"
    fatal error.

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 2d6beb59..d2e61c6f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -26,7 +26,7 @@ build-fedora:
     - ninja -C _build install
 
 build-arch:
-  image: archlinux/base:latest
+  image: archlinux:latest
   before_script:
     - pacman -Syu --noconfirm meson vala gettext itstool fribidi gtk3 gobject-introspection libgusb colord 
libwebp sane git
   script: