doc: clarify UV_THREADPOOL_SIZE env var usage #39415

	name: Test and upload documentation to artifacts

	on:
	pull_request:
	types: [opened, synchronize, reopened, ready_for_review]
	push:
	branches:
	- main
	- v[0-9]+.x-staging
	- v[0-9]+.x

	concurrency:
	group: ${{ github.workflow }}-${{ github.head_ref \|\| github.run_id }}
	cancel-in-progress: true

	env:
	NODE_VERSION: lts/*

	permissions:
	contents: read

	jobs:
	build-docs:
	if: github.event.pull_request.draft == false
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
	with:
	persist-credentials: false
	- name: Use Node.js ${{ env.NODE_VERSION }}
	uses: actions/setup-node@39370e3970a6d050c480ffad4ff0ed4d3fdee5af # v4.1.0
	with:
	node-version: ${{ env.NODE_VERSION }}
	- name: Environment Information
	run: npx envinfo
	- name: Build
	run: NODE=$(command -v node) make doc-only
	- uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
	with:
	name: docs
	path: out/doc
	- name: Test
	run: NODE=$(command -v node) make test-doc-ci TEST_CI_ARGS="-p actions --node-args='--test-reporter=spec' --node-args='--test-reporter-destination=stdout' --measure-flakiness 9"

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