[gcr] ci: Create public folder on publish

[Corentin Noël <corentinnoel src gnome org>]

commit c487e7bb82591a982e150c968462a9b30393d422
Author: Corentin Noël <corentin elementary io>
Date:   Sun Nov 14 20:48:03 2021 +0100

    ci: Create public folder on publish
    
    We need to create it before putting content into it.

 .gitlab-ci.yml | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6dc614b..91999cd 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -89,6 +89,7 @@ pages:
     - master
   needs: ['fedora:coverage']
   script:
+    - mkdir public
     - mv _build/meson-logs/coveragereport public/coverage
     - mv _build/docs/gck/gck-1 public/gck-1
     - mv _build/docs/gcr/gcr-3 public/gcr-3