[gnome-initial-setup/wip/port-to-gtk4] fixup! CI: Rework CI to be Arch-based

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 7c99e77ad350f99e5dfcead83d54f1674858b409
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Mon Jul 25 14:43:45 2022 -0300

    fixup! CI: Rework CI to be Arch-based

 .gitlab-ci.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b8dad688..d85e8ee5 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -14,7 +14,7 @@ stages:
     # to the release number/branch to ensure that
     # a new image will be created, tailored for the
     # stable branch.
-    FDO_DISTRIBUTION_TAG: '2022-07-25.5-main'
+    FDO_DISTRIBUTION_TAG: '2022-07-25.6-main'
 
 # See also https://gitlab.freedesktop.org/freedesktop/ci-templates
 build.container.arch@x86_64:
@@ -53,6 +53,7 @@ build.container.arch@x86_64:
       libsecret
       meson
       polkit
+      sassc
       webkit2gtk-5.0
 
 .job_template: &job_definition