Let's see if newer version of bundler can successfully bundle install on CI

amatsuda · amatsuda · commit 07d24b597147 · 2023-09-28T00:43:29.000+09:00
diff --git a/Gemfile.lock b/Gemfile.lock
@@ -196,4 +196,4 @@ DEPENDENCIES
   webrick
 
 BUNDLED WITH
-   2.3.4
+   2.4.20

-Original file line number
+Diff line change
   webrick
 BUNDLED WITH
 -   2.3.4
 +   2.4.20