[gnome-build-meta/abderrahim/buildstream-1.1.4] .gitlab-ci.yml: try to upgrade gnupg2

[Abderrahim Kitouni <akitouni src gnome org>]

commit a2378cd2c64fd8b8bbcd4c9ae9a4483762e0af2a
Author: Abderrahim Kitouni <akitouni gnome org>
Date:   Fri Jul 27 12:04:46 2018 +0100

    .gitlab-ci.yml: try to upgrade gnupg2

 .gitlab-ci.yml | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 08f0a6a..59ac2e4 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -19,6 +19,7 @@ cache:
 
 
 before_script:
+  - dnf upgrade gnupg2
   # Remove any installed buildstream binary
   - pip3 uninstall -y buildstream
   # Use specific version of BuildStream