Update release notes

Author: pol-rivero

.github/github-desktop-plus-release-notes.md

@@ -1,23 +1,14 @@
-GitHub Desktop Plus v3.5.13-alpha1
+GitHub Desktop Plus v3.5.13-beta1
 
-## **Changes and improvements:**
-
-- [#173] Added a new "Pull branch" context menu item in the Branches list. This allows you to ensure a branch is up to date without checking it out first. Thank you @anaseeem!
-
-- [#177] Enhanced multi-window support: If multiple Desktop Plus windows are open, opening a repo will now focus the window that already has it open instead of the last focused window.
-
-- [#179] Allow hiding the "Generate commit message with Copilot" option.  
-  Go to File > Options > Copilot > Models and select "None (hide Copilot button)" in the model selection dropdown.
+Upstream: [GitHub Desktop 3.5.13-beta1 release notes](https://github.com/desktop/desktop/releases/tag/release-3.5.13-beta1)
 
-- [#180] **Flatpak:**  Fixed `git-lfs` not being found when "Load Git hook environment variables from shell" is enabled.
+> [!IMPORTANT]
+> This release removes our fork-specific implementation of Git Worktrees integration in favor of the new upstream implementation.  
+> Some worktree-related features may now work slightly differently than before.
 
-- **Flatpak:** Added a warning message in the Git Hooks configuration menu.  
-  Git hooks run inside the Flatpak sandbox and cannot access programs installed on your system (such as version managers, linters, or other tools your hooks rely on).
+---
 
+## **Changes and improvements:**
 
+- [#174] Added new "Open worktree in new window" context menu option when right-clicking on a worktree.
 
-## **Fixes:**
-
-- [#170] **macOS:** Updated Electron version to fix a crash when right-clicking the native window title bar.
-
-- [#172] Fixed grammar in the Stashed Changes view: "Restore to Changes" -> "Restore Changes".