AG-43022 prepare v2.2.6

Squashed commit of the following:

commit 7fc315c
Author: Slava Leleka <[email protected]>
Date:   Wed Jun 4 14:09:02 2025 -0400

    update changelog

commit e15f8a0
Author: Slava Leleka <[email protected]>
Date:   Wed Jun 4 14:08:56 2025 -0400

    update agtree to v3.2.1

Author: slvvko

CHANGELOG.md

@@ -10,16 +10,21 @@ The format is based on [Keep a Changelog], and this project adheres to [Semantic
 <!-- TODO: change `@added unknown` tag due to the actual version -->
 <!--       during new scriptlets or redirects releasing -->
 
-## [Unreleased]
+## [v2.2.6] - 2025-06-04
+
+### Changed
+
+- Updated [@adguard/agtree] to `3.2.1`.
 
 ### Fixed
 
 - `json-prune` scriptlet to properly handle `null` values
   while checking specified key in object [#504].
 
-[Unreleased]: https://github.com/AdguardTeam/Scriptlets/compare/v2.2.4...HEAD
+[v2.2.6]: https://github.com/AdguardTeam/Scriptlets/compare/v2.2.4...v2.2.6
 [#504]: https://github.com/AdguardTeam/Scriptlets/issues/504
 
+<!-- v2.2.5 is the same as v2.2.4 -->
 ## [v2.2.4] - 2025-05-23
 
 ### Changed

package.json

@@ -1,6 +1,6 @@
 {
     "name": "@adguard/scriptlets",
-    "version": "2.2.5",
+    "version": "2.2.6",
     "description": "AdGuard's JavaScript library of Scriptlets and Redirect resources",
     "type": "module",
     "scripts": {
@@ -64,7 +64,7 @@
         "neverBuiltDependencies": []
     },
     "dependencies": {
-        "@adguard/agtree": "^3.2.0",
+        "@adguard/agtree": "^3.2.1",
         "@types/trusted-types": "^2.0.7",
         "js-yaml": "^3.14.1"
     },