Pull in RustPython parser (#6099)

crates/ruff_python_semantic/src/node.rs

@@ -1,8 +1,8 @@
 use std::ops::{Index, IndexMut};
 
 use ruff_index::{newtype_index, IndexVec};
+use ruff_python_ast::Stmt;
 use rustc_hash::FxHashMap;
-use rustpython_ast::Stmt;
 
 use ruff_python_ast::types::RefEquality;