chore: bump version to 1.2.43

update changelog to 1.2.43

Log: update changelog to 1.2.43

Author: mhduiy

debian/changelog

@@ -1,3 +1,12 @@
+dde-application-manager (1.2.43) unstable; urgency=medium
+
+  * fix: add MIME info change detection and reload
+  * fix: set DSG_APP_ID to prevent self-identification deadlock
+  * fix: Fix Linglong upgrade repeatedly sending remove signal
+  * fix: cmake error about WaylandClientPrivate not found (#319)
+
+ -- zhangkun <zhangkun2@uniontech.com>  Fri, 23 Jan 2026 10:25:56 +0800
+
 dde-application-manager (1.2.42) unstable; urgency=medium
 
   * feat: add command execution support to dde-am