[NetworkManager-fortisslvpn/lr/connect-interactive] Revert "build: bump the test distro version to f29"

[Lubomir Rintel <lkundrak src gnome org>]

commit 7e6aade074aca4050e6efeb55f7584465428cfa2
Author: Lubomir Rintel <lkundrak v3 sk>
Date:   Thu Apr 11 13:56:23 2019 +0200

    Revert "build: bump the test distro version to f29"
    
    This reverts commit 3868d8cabc77cc53124637295bef974d0d3e7f4d.

 .gitlab-ci.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e731eae..5f1e95f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -26,7 +26,7 @@
 .dist: &dist
   stage: test
   dependencies:
-    - fedora29_dist
+    - fedora28_dist
   variables:
     GIT_STRATEGY: none
 
@@ -46,9 +46,9 @@
     - make -j uninstall
 
 # Roll the distribution tarball
-fedora29_dist:
+fedora28_dist:
   <<: *fedora_deps
-  image: fedora:29
+  image: fedora:28
   stage: build
   script:
     - dnf -y install