chore: bump version 1.99.8

log: as title

Author: tsic404

debian/changelog

@@ -1,3 +1,9 @@
+dde-shell (1.99.8) UNRELEASED; urgency=medium
+
+  * fix popup can not hide on treeland
+
+ -- tsic404 <[email protected]>  Fri, 29 Nov 2024 17:30:18 +0800
+
 dde-shell (1.99.8) UNRELEASED; urgency=medium
 
   * fix: Adjust the effects level of kwin to Optimal-performance, multiTasks plugin can not hide(Bug: 286871)