Update bundler list

Author: dhh

jsbundling-rails.gemspec

@@ -6,7 +6,7 @@ Gem::Specification.new do |spec|
   spec.authors     = [ "David Heinemeier Hansson" ]
   spec.email       = "[email protected]"
   spec.homepage    = "https://github.com/rails/jsbundling-rails"
-  spec.summary     = "Bundle and transpile JavaScript in Rails with esbuild, rollup.js, or Webpack."
+  spec.summary     = "Bundle and transpile JavaScript in Rails with bun, esbuild, rollup.js, or Webpack."
   spec.license     = "MIT"
 
   spec.files = Dir["lib/**/*", "MIT-LICENSE", "README.md"]