message: fix: expose dep_graph crate
diff: pub use swc_ecma_ast as ast;
  #[cfg(feature = "codegen")]
  pub use swc_ecma_codegen as codegen;
  +#[cfg(feature = "dep_graph")]
  +pub use swc_ecma_dep_graph as dep_graph;
  #[cfg(feature = "parser")]
  pub use swc_ecma_parser as parser;
  #[cfg(feature = "transforms")]
  