package/nodejs: security bump to version 12.22.4

Fixes the following security issues:

- CVE-2021-22930: Use after free on close http2 on stream canceling (High)

  Node.js is vulnerable to a use after free attack where an attacker might
  be able to exploit the memory corruption, to change process behavior.

Drop 0002-Fix-build-with-ICU-68.patch as this is now fixed upstream since
https://github.com/nodejs/node/commit/e459c79b02



Signed-off-by: Peter Korsgaard <peter@korsgaard.com>