[gnome-runtime-images] Log in before pushing images

[Bartłomiej Piotrowski <bpiotrowski src gnome org>]

commit c51f07bf5728bb85c96f2f54a08f0bc7220359d4
Author: Bartłomiej Piotrowski <b bpiotrowski pl>
Date:   Wed Jul 27 09:03:05 2022 +0200

    Log in before pushing images

 .gitlab-ci.yml | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 68eaa40..e4a3350 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -139,6 +139,7 @@ flat-manager-client-manifest:
         - |
           if [ $CI_COMMIT_REF_NAME == master ]; then
               echo "Pushing $TAG"
+              buildah login -u ${OCI_REGISTRY_USER} -p ${OCI_REGISTRY_PASSWORD} quay.io
               buildah push $TAG
           fi