[mutter] ci/Dockerfile: Upgrade after adding copr repos

[Jonas Ådahl <jadahl src gnome org>]

commit ee3e195b79fbf6d60be50f445cd18b24a6377057
Author: Jonas Ådahl <jadahl gmail com>
Date:   Wed Aug 14 11:34:17 2019 +0200

    ci/Dockerfile: Upgrade after adding copr repos
    
    So that we make sure to upgrade to the packages in the copr repos.
    
    https://gitlab.gnome.org/GNOME/mutter/merge_requests/726

 .gitlab-ci/Dockerfile | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/.gitlab-ci/Dockerfile b/.gitlab-ci/Dockerfile
index f49f1a3c0..860430020 100644
--- a/.gitlab-ci/Dockerfile
+++ b/.gitlab-ci/Dockerfile
@@ -13,6 +13,7 @@ RUN dnf -y update && dnf -y upgrade && \
     dnf copr enable -y fmuellner/gnome-shell-ci && \
     dnf copr enable -y jadahl/mutter-ci && \
     dnf copr enable -y hergertme/sysprof-3 && \
+    dnf -y update && dnf -y upgrade && \
 
     dnf builddep -y mutter && \