chore: bump version to 1.0.26 (#30)

Log: bump version to 1.0.26

Author: ArchieMeng

debian/changelog

@@ -1,3 +1,9 @@
+deepin-upgrade-manager (1.0.26) unstable; urgency=medium
+
+  * Allow customizing theme
+
+ -- Yutao Meng <mengyutao@deepin.org>  Tue, 19 Mar 2024 15:10:19 +0800
+
 deepin-upgrade-manager (1.0.25) unstable; urgency=medium
 
   * bump version to 1.0.25