What's Changed
* Prefer interpreter's Ruff to environment's Ruff by charliermarsh in https://github.com/charliermarsh/ruff-lsp/pull/83
* Treat undefined name as a DiagnosticSeverity.Error by charliermarsh in https://github.com/charliermarsh/ruff-lsp/pull/85
* Add `--force-exclude` to default arguments by charliermarsh in https://github.com/charliermarsh/ruff-lsp/pull/86
**Full Changelog**: https://github.com/charliermarsh/ruff-lsp/compare/v0.0.20...v0.0.21