[CI] Bundle drb on Ruby >= 3.4

amatsuda · amatsuda · commit aec41e9d01d3 · 2025-04-29T19:45:17.000+09:00
diff --git a/Gemfile b/Gemfile
@@ -45,3 +45,4 @@ gem 'selenium-webdriver'
 gem 'net-smtp' if RUBY_VERSION >= '3.1'
 gem 'bigdecimal' if RUBY_VERSION >= '3.4'
 gem 'mutex_m' if RUBY_VERSION >= '3.4'
+gem 'drb' if RUBY_VERSION >= '3.4'
