doc: update LICENSE file

Running `license-builder.sh` seems to indicate that there have been some
license changes that have not been propagated to our LICENSE file yet.
Here they are.

PR-URL: https://github.com/nodejs/node/pull/21472


Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>