doc/release-notes/rl-2605: move corepack_latest from lib-breaking to breaking

Fixes comment https://github.com/NixOS/nixpkgs/pull/455502/files#r2605913138

Author: fabianhjr

doc/release-notes/rl-2605.section.md

@@ -9,6 +9,8 @@
 
 <!-- To avoid merge conflicts, consider adding your item at an arbitrary place in the list instead. -->
 
+- `corepack_latest` has been removed, as Corepack is no longer distributed with Node.js.
+
 - `spoof` has been removed, as there are many issues upstream with it working on modern OS versions, and it appears to be unmaintained.
 
 - `kanata` now requires `karabiner-dk` version 6.0+ or later.
@@ -41,8 +43,6 @@
 
 ### Breaking changes {#sec-nixpkgs-release-26.05-lib-breaking}
 
-- `corepack_latest` has been removed, as Corepack is no longer distributed with Node.js.
-
 - The `nodejs_latest` alias now points to `nodejs_25` instead of `nodejs_24`.
 
 - `mold` is now wrapped by default.