[vala/wip/ci: 13/14] Ubuntu devel is broken

[Rico Tzschichholz <ricotz src gnome org>]

commit dfa98acc56d5ac749a980d8b1f11bf68f0a5f744
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Tue Sep 14 08:49:29 2021 +0200

    Ubuntu devel is broken

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8e3d5b133..207da8d94 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -45,7 +45,7 @@ fedora-clang-x86_64:
 
 ubuntu-clang-x86_64:
   stage: build
-  image: ubuntu:devel
+  image: ubuntu:latest
   except:
     - tags
   variables: