www/node14: Update to 14.20.0

Changes: https://nodejs.org/en/blog/release/v14.20.0/
PR: 265159
Approved by: maintainer (timeout, 18 days)
Security: b9210706-feb0-11ec-81fa-1c697a616631

(cherry picked from commit f759a1962325c67115bd6f0e6b48c0a38fae7792)