v0.5.9

What's Changed

• fix: throw error messages on GraphQL middleware by @yusukebe in https://github.com/yusukebe/hono/pull/148
• feat: add JSON pretty option by @yusukebe in https://github.com/yusukebe/hono/pull/149

Full Changelog: yusukebe/hono@v0.5.8...v0.5.9