add npm and update prefix location

[kranurag7]

• out of the box npm is not installed with nodejs so pipeline cannot be used as of now.

• prefix was once changed before via prefix should be /usr #863 but if we go with /usr then npm is not able to detect the installs. It is looking for installed deps under /usr/local/lib/node_modules but this pipelines installs things under /usr/lib/node_modules

/ # npm root -g
/usr/local/lib/node_modules
/ # npm install vite -g

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/ # ls /usr/local/lib/node_modules/
vite

In wolfi, some npm install are using -prefix ${{targets.destdir}}/usr/local/ prefix.
ref: https://github.com/wolfi-dev/os/blob/16217a5581667f12cc28a592eef03fec13f98ffb/lerna.yaml#L28 and https://github.com/wolfi-dev/os/blob/16217a5581667f12cc28a592eef03fec13f98ffb/renovate.yaml#L29

but some are also using -prefix ${{targets.destdir}}/usr
ref: https://github.com/wolfi-dev/os/blob/16217a5581667f12cc28a592eef03fec13f98ffb/playwright.yaml#L23

thinking about it from placing binary perspective, it makes sense that we choose /usr because we put most binaries in /usr/bin but if we go with /usr/local as well then that should be good as well considering it's there in PATH.

/ # echo $PATH
/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin

from libraries perspective, for e.g. while packaging express, we need to use /usr/local considering npm root -g

[kranurag7]

test failure seems unrelated to this change.

 2024/10/02 08:56:05 INFO /usr/bin/python3.12 -c "from setuptools import version": PASS uses=python/import
FAIL:  py3-pandas-test.yaml
make: *** [Makefile:155: test-e2e] Error 1
Error: Process completed with exit code 2.