[libmanette] ci: Move the check-api-visibility task to the pre stage

[Adrien Plazas <aplazas src gnome org>]

commit 7a1673014afd3138033dff6f5653357d1d6622a1
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Thu Nov 12 09:35:59 2020 +0100

    ci: Move the check-api-visibility task to the pre stage
    
    No need to build if the lint stage fails.

 .gitlab-ci.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6a4aee7..5ef56f8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,13 +1,14 @@
 include: 'https://gitlab.gnome.org/GNOME/citemplates/raw/master/flatpak/flatpak_ci_initiative.yml'
 
 stages:
+  - pre
   - test
 
 variables:
   BUNDLE: 'manette-test-git.flatpak'
 
 check-api-visibility:
-  stage: test
+  stage: pre
   script:
     - tools/check-api-visibility.sh