[gnome-runtime-images] ci: fix typo

[Jordan Petridis <jpetridis src gnome org>]

commit 3363dd7b1844f1c6b24164c8943ef1320bf05d86
Author: Jordan Petridis <jordan centricular com>
Date:   Mon Oct 18 05:29:34 2021 +0300

    ci: fix typo

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5dd948f..023ba4b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -147,4 +147,4 @@ gnome:40:
 
 gnome:41:
   stage: 'runtimes'
-  extends: ['.sdk_template', '.vars_40']
+  extends: ['.sdk_template', '.vars_41']