v0.13.0

What's Changed

• chore(deps): bump github.com/ogen-go/ogen from 1.12.0 to 1.13.0 by @dependabot in #195
• feat: support map by @sashamelentyev in #197
• feat: add internal message by @sashamelentyev in #196

Full Changelog: v0.12.0...v0.13.0