deps: update to ICU 66.1

- ICU 66.1 http://site.icu-project.org/download/66
- Unicode 13
- CLDR 36.1
- Updated ./LICENSE

PR-URL: https://github.com/nodejs/node/pull/32348


Reviewed-By: Ujjwal Sharma <ryzokuken@disroot.org>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>