add completions for clippy lint in attributes

Signed-off-by: Benjamin Coenen <5719034+bnjjj@users.noreply.github.com>

crates/completion/src/lib.rs

@@ -5,7 +5,7 @@ mod completion_item;
 mod completion_context;
 mod presentation;
 mod patterns;
-mod generated_features;
+mod generated_lint_completions;
 #[cfg(test)]
 mod test_utils;