[libgda] ci: set apt non-interactive

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit 0f81635411bb7625e6bdb83397294b3d95de19e0
Author: Daniel Espinosa Ortiz <esodan gmail com>
Date:   Wed Feb 13 14:48:59 2019 -0600

    ci: set apt non-interactive

 .gitlab-ci.yml | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c61d64820..d04389276 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -56,6 +56,7 @@ variables:
   MYSQL_META_CNC: 
"DB_NAME=$MYSQL_DATABASE;HOST=$MYSQL_HOST;USERNAME=$MYSQL_USER;PASSWORD=$MYSQL_ROOT_PASSWORD"
   
 before_script:
+  - export DEBIAN_FRONTEND=noninteractive
   - apt update && apt -y install $DEPENDENCIES
 
 autotools_build: