v0.3.0
- Update all crate versions to 0.3.0 - Update CHANGELOG.md with release date 馃 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
- Update all crate versions to 0.3.0 - Update CHANGELOG.md with release date 馃 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>