release v2.4.1

Patch release: double-Shift quick-open (new in 2.4.0) no longer fires
on chorded Shift, so Shift+; types a colon again in the editor and the
Claude composer (T-409).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

pubspec.yaml

@@ -13,7 +13,7 @@ description: >-
   subsystem handlers (pane, files, editor, git, pql), and the
   extension framework.
 publish_to: none
-version: 2.4.0
+version: 2.4.1
 repository: https://github.com/postmeridiem/clide
 # Short user-facing tagline (the welcome subtitle, web meta
 # description, etc.). Baked into lib/src/build_info.g.dart by