[gnome-software/wjt/1619-os-banner] upgrade-banner: Allow wrapping title

[Will Thompson <wjt src gnome org>]

commit 52bc6ac99360c3261598eaeaa769c791a3611445
Author: Will Thompson <will willthompson co uk>
Date:   Wed Feb 2 11:33:59 2022 +0000

    upgrade-banner: Allow wrapping title
    
    Fixes #1619

 src/gs-upgrade-banner.ui | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/src/gs-upgrade-banner.ui b/src/gs-upgrade-banner.ui
index 4bc934ed8..ba5a10e43 100644
--- a/src/gs-upgrade-banner.ui
+++ b/src/gs-upgrade-banner.ui
@@ -26,6 +26,10 @@
               <object class="GtkLabel" id="label_upgrades_title">
                 <property name="margin-top">32</property>
                 <property name="margin_bottom">6</property>
+                <property name="wrap">True</property>
+                <property name="halign">center</property>
+                <property name="justify">center</property>
+
                 <!-- Just a placeholder; actual label text is set in code -->
                 <property name="label">GNOME 3.20 Now Available</property>
                 <attributes>