chore: Bump version to 6.1.15

Bump version to 6.1.15

Author: fly602

debian/changelog

@@ -1,3 +1,9 @@
+dde-daemon (6.1.15) unstable; urgency=medium
+
+  * fix: 适配pipewire，解决音频设备模式切换失败的问题
+
+ -- fuleyi <[email protected]>  Tue, 24 Dec 2024 11:43:20 +0800
+
 dde-daemon (6.1.14) unstable; urgency=medium
 
   * fix: 解决禁用触控板无法禁用的问题