lin-cli 0.7.0

A fast CLI for Linear
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## Summary
<!-- What does this PR do? -->

## Changelog
<!-- Add your entry to CHANGELOG.md under [Unreleased]. Then paste it here. -->

```
### Added/Fixed/Changed
- Description of change
```

## Test Plan
- [ ] `cargo test` passes
- [ ] `cargo clippy --all-targets --all-features -- -D warnings` passes
- [ ] Manually tested with `lin ...`
- [ ] README updated (if user-facing changes)