[libsoup/wip/ci] Fix tags syntax

[Claudio Saavedra <csaavedra src gnome org>]

commit f104a3c1b14c1466c3af6bec0cc13f541489206f
Author: Claudio Saavedra <csaavedra igalia com>
Date:   Wed Aug 15 09:56:13 2018 +0000

    Fix tags syntax

 .gitlab-ci.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 30485b1d..a115bc88 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,7 +6,8 @@ variables:
   BUILDDIR: build
 
 build:
-  tags: non_aws
+  tags:
+    - non_aws
   before_script:
     - dnf update -y --nogpgcheck
     - dnf install -y 'dnf-command(builddep)'