chore(release): 0.9.0 [skip ci]

# [0.9.0](https://github.com/yuseferi/opencode-litellm/compare/v0.8.0...v0.9.0) (2026-08-26)

### Features

* map LiteLLM model prices into OpenCode cost field ([#22](https://github.com/yuseferi/opencode-litellm/issues/22)) ([cb9254d](https://github.com/yuseferi/opencode-litellm/commit/cb9254d453d0c6b3cf80118c6916103d4c6b9128))