chore: 🤖 update desktop client changelog (#3316)

* chore: 🤖 update desktop client changelog and version

* fix: 🐛 update PR number

* docs: ✏️ updated log

* fix: 🐛 revert cli version change

ui/desktop/CHANGELOG.md

@@ -2,6 +2,12 @@
 
 Canonical reference for changes, improvements, and bugfixes for Boundary Desktop.
 
+## V2.6.1 [CLI 0.21.2] (2026.06.30)
+
+### Bug Fixes
+
+- Fix Preferred Clients section in Settings page ([PR](https://github.com/hashicorp/boundary-ui/pull/3241))
+
 ## V2.6.0 [CLI 0.21.2] (2026.04.06)
 
 ### New & Improved