chore(version): Update package versions [skip ci]

extensions/default/CHANGELOG.md

@@ -3,6 +3,17 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [3.12.0-beta.40](https://github.com/OHIF/Viewers/compare/v3.12.0-beta.39...v3.12.0-beta.40) (2025-10-02)
+
+
+### Bug Fixes
+
+* **studyBrowserCustomization:** fix thumbnail menu item actions in study browser ([#5283](https://github.com/OHIF/Viewers/issues/5283)) ([2f28a0d](https://github.com/OHIF/Viewers/commit/2f28a0deab5e43f432bbd9b5989928c9b0450278))
+
+
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 # [3.12.0-beta.39](https://github.com/OHIF/Viewers/compare/v3.12.0-beta.38...v3.12.0-beta.39) (2025-10-01)
 
 **Note:** Version bump only for package @ohif/extension-default

extensions/default/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@ohif/extension-default",
-  "version": "3.12.0-beta.39",
+  "version": "3.12.0-beta.40",
   "description": "Common/default features and functionality for basic image viewing",
   "author": "OHIF Core Team",
   "license": "MIT",