[gjs/ci-use-mozjs-latest] ci: Puoll busybox to make buildah work

[Marco Trevisan <marcotrevi src gnome org>]

commit e9cfedd2ed60aff90def121f2bc9b93d50137f0e
Author: Marco Trevisan (Treviño) <mail 3v1n0 net>
Date:   Tue Nov 3 17:18:17 2020 +0100

    ci: Puoll busybox to make buildah work

 .gitlab-ci.yml | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8fe4c4ea..311cd5b5 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -20,6 +20,7 @@ stages:
     - sed -i '/^mountopt =.*/d' /etc/containers/storage.conf
 
     # Where the real magic happens
+    - buildah pull busybox
     - buildah bud -f $DOCKERFILE -t "$IMAGE_NAME" $ARGS
 
     # Prepare to publish