Add dependency on tsort

nobu · nobu · commit c2b938e2f9fe · 2025-08-14T17:41:42.000+09:00
It will be a bundled gem.
diff --git a/Gemfile b/Gemfile
@@ -11,3 +11,4 @@ gem 'rubocop', '>= 1.31.0'
 gem 'gettext'
 gem 'prism', '>= 0.30.0'
 gem 'webrick'
+gem 'tsort'
