[gnome-builder/wip/gtk4-port] libide/gui: use heading instead of title class

[Christian Hergert <chergert src gnome org>]

commit 123ef290c7c031dbb5d224d39b39beb5adb57d04
Author: Christian Hergert <chergert redhat com>
Date:   Thu Jun 2 16:07:14 2022 -0700

    libide/gui: use heading instead of title class

 src/libide/gui/ide-notification-list-box-row.ui | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/libide/gui/ide-notification-list-box-row.ui b/src/libide/gui/ide-notification-list-box-row.ui
index 2ee5f14bc..eb13f4a6d 100644
--- a/src/libide/gui/ide-notification-list-box-row.ui
+++ b/src/libide/gui/ide-notification-list-box-row.ui
@@ -34,7 +34,7 @@
             <property name="can_focus">False</property>
             <property name="xalign">0</property>
             <style>
-              <class name="title"/>
+              <class name="heading"/>
             </style>
             <layout>
               <property name="column">0</property>