Update changelog

Author: kimo-k

CHANGELOG.md

@@ -2,8 +2,11 @@
 
 > Committed but unreleased changes are put here, at the top. Older releases are detailed chronologically below.
 
+## 2.26.2 (2025-06-05)
+
 #### Changed
 
+- `tree-select-dropdown` fix missing `:counter` part
 - `nested-v-grid`: only allow vectors for `:column-tree` & `:row-tree`
 
 ## 2.26.1 (2025-05-30)