src: fix json utils escapes for U+000B PR-URL: https://github.com/nodejs/node/pull/43206 Fixes: https://github.com/nodejs/node/issues/43193 Reviewed-By: Richard Lau <[email protected]> Reviewed-By: Michael Dawson <[email protected]> Reviewed-By: Minwoo Jung <[email protected]> Reviewed-By: James M Snell <[email protected]>