message: docs(async-rewriter2): fix typo in readme
diff: @@ -84,7 +84,7 @@ is transformed into
  try {
  foo3();
  } catch (_err) {
  - if (!err || !_err[Symbol.for('@@mongosh.uncatchable')]) {
  + if (!_err || !_err[Symbol.for('@@mongosh.uncatchable')]) {
  bar3();
  } else {
  throw _err;
  