[gnome-build-meta/abderrahim/bst2] fixup! .gitlab-ci: switch to buildstream 2

[Abderrahim Kitouni <akitouni src gnome org>]

commit b48ed45e77820fdc5baaeb2d25958547c2f4f256
Author: Abderrahim Kitouni <abderrahim kitouni codethink co uk>
Date:   Thu Jul 28 18:24:28 2022 +0200

    fixup! .gitlab-ci: switch to buildstream 2

 .gitlab-ci/buildstream.conf | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)
---
diff --git a/.gitlab-ci/buildstream.conf b/.gitlab-ci/buildstream.conf
index d43bd41e1..77ae02f21 100644
--- a/.gitlab-ci/buildstream.conf
+++ b/.gitlab-ci/buildstream.conf
@@ -19,11 +19,15 @@ logging:
   error-lines: 80
 
 # configuration for pushing, client key and cert will be written by CI
-projects:
-  gnome:
-    artifacts:
-    - url: https://m1-xlarge-x86.gnome.org:11002
+artifacts:
+  servers:
+  - url: https://m1-xlarge-x86.gnome.org:11002
+    push: true
+    auth:
       client-key: client.key
       client-cert: client.crt
-      push: true
+
+# Use the gnome mirror by default
+projects:
+  gnome:
     default-mirror: gnome