doc(es/typescript): Fix example (#8952)

**Related issue:**

 - Closes #8950

crates/swc_ecma_transforms_typescript/examples/ts_to_js.rs

@@ -52,7 +52,7 @@ fn main() {
  }
 
  let module = parser
- .parse_module()
+ .parse_program()
  .map_err(|e| e.into_diagnostic(&handler).emit())
  .expect("failed to parse module.");
 
@@ -74,7 +74,7 @@ fn main() {
  let module = module.fold_with(&mut hygiene());
 
  // Ensure that we have enough parenthesis.
- let module = module.fold_with(&mut fixer(Some(&comments)));
+ let program = module.fold_with(&mut fixer(Some(&comments)));
 
  let mut buf = vec![];
  {
@@ -85,7 +85,7 @@ fn main() {
  wr: JsWriter::new(cm.clone(), "\n", &mut buf, None),
  };
 
- emitter.emit_module(&module).unwrap();
+ emitter.emit_program(&program).unwrap();
  }
 
  println!("{}", String::from_utf8(buf).expect("non-utf8?"));