chore: Update changelog

Author: NickLarsenNZ

rust/stackablectl/CHANGELOG.md

@@ -6,9 +6,9 @@ All notable changes to this project will be documented in this file.
 
 ### Fixed
 
-- nix: Update nixpkgs and upgrade nodejs-18 to nodejs_20 ([#xxx]).
+- nix: Update nixpkgs and upgrade nodejs-18 to nodejs_20 ([#384]).
 
-[#xxx]: https://github.com/stackabletech/stackable-cockpit/pull/xxx
+[#384]: https://github.com/stackabletech/stackable-cockpit/pull/384
 
 ## [1.0.0] - 2025-06-02