feat!: drop support for current required behavior and just provide the conversion follow specs

[LumaKernel]

Types of changes

• Bug fixes
  • resolves Description should be escaped if including */ #181
• Features
  • resolves 全てOptionalなプロパティを持つオブジェクトが正しく変換されない #132, resolves 'require' default should be false not true #138
• Maintenance
• Documentation

Changes

• ...

Additional context

This is breaking change but not bump the major version.

Community note

Please upvode with reacting as 👍 to express your agreement.

[LumaKernel]

note: freee publishes newer version of their schema: https://github.com/freee/freee-api-schema

[solufa]

この破壊的な変更提案に対し、オリジナル開発者として同意しました
As the original developer, I agree with this proposed disruptive change.

[ghost]

私が確認した限りだと怪しいところはないと思います。そのため、私もこの破壊的変更に同意します