chore: bump version to 2.0.22

update changelog to 2.0.22

Log: update changelog to 2.0.22

Author: mhduiy

debian/changelog

@@ -1,3 +1,9 @@
+dde-session (2.0.22) unstable; urgency=medium
+
+  * fix: add X connection monitoring for session logout
+
+ -- zhangkun <zhangkun2@uniontech.com>  Wed, 25 Mar 2026 17:49:44 +0800
+
 dde-session (2.0.21) unstable; urgency=medium
 
   * fix: support showing lock screen triggered by logind lock signal