chore: bump version to 1.0.51

update changelog to 1.0.51

Log: update changelog to 1.0.51

Author: mhduiy

debian/changelog

@@ -1,3 +1,9 @@
+deepin-update-ui (1.0.51) unstable; urgency=medium
+
+  * fix: reorder dock icon creation before plugin registration
+
+ -- zhangkun <zhangkun2@uniontech.com>  Fri, 08 May 2026 15:14:33 +0800
+
 deepin-update-ui (1.0.50) unstable; urgency=medium
 
   * fix(qml): fix button layout margin by adding right margin