tag: update to 1.4.0

Log: tag update
Change-Id: I2572d783802c32d8056b0c43e060d610e2ecd882

Author: deepin-mozart

debian/changelog

@@ -1,3 +1,11 @@
+deepin-unioncode (1.4.0) unstable; urgency=medium
+
+  * Add session manager
+  * Optimize toolchain search
+  * Add smart terminal
+
+ -- luzhen <luzhen@uniontech.com>  Tue, 24 Dec 2024 10:08:37 +0800
+
 deepin-unioncode (1.3.17) stable; urgency=medium
 
   * bugfix