chore: bump version to 6.0.30

Log:

Author: Decodetalkers

CMakeLists.txt

@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.16)
 
 if (NOT DEFINED VERSION)
-    set(VERSION 6.0.29)
+    set(VERSION 6.0.30)
 endif()
 
 project(dde-dock)

debian/changelog

@@ -1,3 +1,9 @@
+dde-dock (6.0.30) unstable; urgency=medium
+
+  * chore: remove Cooperation in display plugin (https://github.com/linuxdeepin/developer-center/issues/7023)
+
+ -- chenhongtao <chenhongtao@deepin.org>  Mon, 22 Jan 2024 17:27:34 +0800
+
 dde-dock (6.0.29) unstable; urgency=medium
 
   * fix: when no timeformat, tooltip is empty