[gnome-system-monitor] Update .gitlab-ci.yml with new libglade.

[Robert Roth <robertroth src gnome org>]

commit 8eb94cc673aa0fc7c4928988544e0faccbcd029f
Author: Robert Roth <robert roth off gmail com>
Date:   Sun Mar 6 10:00:35 2022 +0000

    Update .gitlab-ci.yml with new libglade.

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b9769b90..2309f6a2 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -32,7 +32,7 @@ variables:
     texinfo
     texlive
   UBUNTU_LIBHANDY_DEPENDENCIES: # packages required to build libhandy on ubuntu.
-    libgladeui-2-6
+    libgladeui-2-13
     valac
   UBUNTU_DEPENDENCIES: # packages required to build the system monitor on ubuntu.
     appstream-util