chore: bump version to 6.0.31

update changelog to 6.0.31

Author: 18202781743

debian/changelog

@@ -1,3 +1,12 @@
+dtk6widget (6.0.31) unstable; urgency=medium
+
+  * sync: from linuxdeepin/dtkwidget
+  * sync: from linuxdeepin/dtkwidget
+  * sync: from linuxdeepin/dtkwidget
+  * sync: from linuxdeepin/dtkwidget
+
+ -- YeShanShan <yeshanshan@uniontech.com>  Thu, 27 Feb 2025 20:57:00 +0800
+
 dtk6widget (6.0.30) unstable; urgency=medium
 
   * sync: from linuxdeepin/dtkwidget