docs: fix version of deprecation notice (#51422)

Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Niklas Wenzel <[email protected]>

Author: trop[bot]

docs/breaking-changes.md

@@ -28,6 +28,12 @@ When a cookie is deleted, the change cause remains `explicit`.
 When the cookie being set is identical to an existing one (same name, domain, path, and value, with no actual changes), the change cause is `inserted-no-change-overwrite`.
 When the value of the cookie being set remains unchanged but some of its attributes are updated, such as the expiration attribute, the change cause will be `inserted-no-value-change-overwrite`.
 
+### Deprecated: `showHiddenFiles` in Dialogs on Linux
+
+This property will still be honored on macOS and Windows, but support on Linux
+will be removed in Electron 42. GTK intends for this to be a user choice rather
+than an app choice and has removed the API to do this programmatically.
+
 ## Planned Breaking API Changes (40.0)
 
 ### Deprecated: `clipboard` API access from renderer processes
@@ -41,12 +47,6 @@ your preload script and expose it using the [contextBridge](https://www.electron
 Debug symbols for MacOS (dSYM) now use xz compression in order to handle larger file sizes. `dsym.zip` files are now
 `dsym.tar.xz` files. End users using debug symbols may need to update their zip utilities.
 
-### Deprecated: `showHiddenFiles` in Dialogs on Linux
-
-This property will still be honored on macOS and Windows, but support on Linux
-will be removed in Electron 42. GTK intends for this to be a user choice rather
-than an app choice and has removed the API to do this programmatically.
-
 ## Planned Breaking API Changes (39.0)
 
 ### Deprecated: `--host-rules` command line switch