[glib/wip/hadess/update-docker-packages: 8/9] ci: Update Fedora image before installing new items

[Philip Withnall <pwithnall src gnome org>]

commit 47b93b7af2584fdcdc0a25e21b5f80f4fab89a42
Author: Bastien Nocera <hadess hadess net>
Date:   Fri Jan 17 10:06:36 2020 +0100

    ci: Update Fedora image before installing new items
    
    This fixes some scriptlets crashes during package installation.

 .gitlab-ci/fedora.Dockerfile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/.gitlab-ci/fedora.Dockerfile b/.gitlab-ci/fedora.Dockerfile
index 84095b043..e099cc861 100644
--- a/.gitlab-ci/fedora.Dockerfile
+++ b/.gitlab-ci/fedora.Dockerfile
@@ -1,6 +1,7 @@
 FROM fedora:30
 
-RUN dnf -y install \
+RUN dnf -y update \
+ && dnf -y install \
     bindfs \
     clang \
     clang-analyzer \