Bulk functions and layers versions management

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**Description**
Allow customers to delete multiple or all function versions and layer versions at once. Support a "max versions" qualifier to automatically delete older function and layer versions when creating a new version.

**Additional context**
1. How would you use these features (for example, via API, CLI, SDK, CloudFormation)?
2. How would you want to handle dependencies for example, would you want to automatically delete function versions associated with a specific layer version?

Issue には、リポジトリのファイル、テスト、または実装のエントリーポイントが特定されていません。実装前に、想定される API、CLI、SDK、または CloudFormation の対象範囲と、バージョン削除時の依存関係の動作を明確にしてください。完了条件には、一括削除と、function および layer のバージョンに対する最大バージョン数ポリシーを含めます。

索引モデルが issue の本文から書いたものです。