Add support for configuring npm version in Node devcontainers #2949

Job	Run time
detect-changes	4s
test-scenarios (node)	31s
test (node, ubuntu:jammy)	8m 4s
test (node, ubuntu:focal)	2m 8s
test (node, mcr.microsoft.com/devcontainers/base:debian)	40s
test (node, debian:11)	25s
test (node, debian:12)	22s
test (node, mcr.microsoft.com/devcontainers/base:ubuntu)	24s
test (node, mcr.microsoft.com/devcontainers/base:noble)	21s
	12m 59s

Provide feedback