[gnome-screenshot/wip/exalm/ci] ci: List stages

[Alexander Mikhaylenko <alexm src gnome org>]

commit b082678bb23d7575ae4096273aecb3538de55a25
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Tue Mar 10 01:05:44 2020 +0500

    ci: List stages
    
    Hopefully this makes it run.

 .gitlab-ci.yml | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index bf10119..1b932e7 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,5 +1,8 @@
 include: 'https://gitlab.gnome.org/GNOME/citemplates/raw/master/flatpak/flatpak_ci_initiative.yml'
 
+stages:
+  - .pre
+
 variables:
   BUNDLE: 'org.gnome.Screenshot.Devel.flatpak'