VSCodeでRubyのデバッグをする際にエンコーディングエラーが発生する

Visual Studio CodeによるRubyのデバッグ

Mac環境でこちらの記事などを参考にVSCodeでRubyのデバッグをしようとすると以下のエラーが発生しました。

CSV::MalformedCSVError: Invalid byte sequence in US-ASCII in line 1.
  /Users/hoge/.rbenv/versions/2.6.5/lib/ruby/2.6.0/csv/parser.rb:313:in `rescue in parse'
  /Users/hoge/.rbenv/versions/2.6.5/lib/ruby/2.6.0/csv/parser.rb:296:in `parse'
  /Users/hoge/.rbenv/versions/2.6.5/lib/ruby/2.6.0/csv.rb:1236:in `each'
  /Users/hoge/.rbenv/versions/2.6.5/lib/ruby/2.6.0/csv.rb:1236:in `each'
  /Users/hoge/.rbenv/versions/2.6.5/lib/ruby/2.6.0/csv.rb:510:in `block in foreach'
  /Users/hoge/.rbenv/versions/2.6.5/lib/ruby/2.6.0/csv.rb:657:in `open'
  /Users/hoge/.rbenv/versions/2.6.5/lib/ruby/2.6.0/csv.rb:509:in `foreach'
  /Users/hoge/Development/test/main.rb:7:in `<top (required)>'
  /Users/hoge/.rbenv/versions/2.6.5/lib/ruby/gems/2.6.0/gems/ruby-debug-ide-0.7.0/lib/ruby-debug-ide.rb:100:in `debug_load'
  /Users/hoge/.rbenv/versions/2.6.5/lib/ruby/gems/2.6.0/gems/ruby-debug-ide-0.7.0/lib/ruby-debug-ide.rb:100:in `debug_program'
  /Users/hoge/.rbenv/versions/2.6.5/lib/ruby/gems/2.6.0/gems/ruby-debug-ide-0.7.0/bin/rdebug-ide:187:in `<top (required)>'
  /Users/hoge/.rbenv/versions/2.6.5/bin/rdebug-ide:23:in `load'
  /Users/hoge/.rbenv/versions/2.6.5/bin/rdebug-ide:23:in `<top (required)>'

ruby main.rbなどでコンソール上での実行では問題なく動くのですが、CSVの読み込みの際にエンコーディングのエラーが発生しました。
こちらで解決しました。

launch.json

{
    // Use IntelliSense to learn about possible attributes.
    // Hover to view descriptions of existing attributes.
    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
    "version": "0.2.0",
    "configurations": [
        {
            "name": "Debug Local File",
            "type": "Ruby",
            "request": "launch",
            "program": "${workspaceRoot}/main.rb",
            "useBundler": true,
            "env": {
                "LANG": "en_US.UTF-8",
                "LC_COLLATE": "en_US.UTF-8",
                "LC_CTYPE": "en_US.UTF-8",
                "LC_MESSAGES": "en_US.UTF-8",
                "LC_MONETARY": "en_US.UTF-8",
                "LC_NUMERIC": "en_US.UTF-8",
                "LC_TIME": "en_US.UTF-8",
                "LC_ALL": "en_US.UTF-8"
            }
        }
    ]
}