stream: fix highwatermark threshold and add the missing error

1. Fix highwatermark threshold: `< 1GiB` -> `<= 1GiB`
2. Add the missing error: Size out of range

Update test/parallel/test-streams-highwatermark.js

Co-authored-by: Darshan Sen <raisinten@gmail.com>

PR-URL: https://github.com/nodejs/node/pull/38700


Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>