feat(rush,node-core-library): allow weighted async concurrency #3047

	name: CI
	on:
	push:
	branches: ['main']
	pull_request:
	branches: ['main']
	# Allows you to run this workflow manually from the Actions tab
	workflow_dispatch:
	jobs:
	build:
	strategy:
	matrix:
	include:
	- NodeVersion: 16.20.x
	NodeVersionDisplayName: 16
	OS: ubuntu-latest
	- NodeVersion: 18.18.x
	NodeVersionDisplayName: 18
	OS: ubuntu-latest
	- NodeVersion: 20.9.x
	NodeVersionDisplayName: 20
	OS: ubuntu-latest
	- NodeVersion: 18.18.x
	NodeVersionDisplayName: 18
	OS: windows-latest
	name: Node.js v${{ matrix.NodeVersionDisplayName }} (${{ matrix.OS }})
	runs-on: ${{ matrix.OS }}
	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: 2

	- name: Git config user
	run: \|
	git config --local user.name "Rushbot"
	git config --local user.email "rushbot@users.noreply.github.com"

	- uses: actions/setup-node@v3
	with:
	node-version: ${{ matrix.NodeVersion }}

	- name: Verify Change Logs
	run: node common/scripts/install-run-rush.js change --verify

	- name: Rush Install
	run: node common/scripts/install-run-rush.js install

	# - if: runner.os == 'Linux'
	# name: Start xvfb
	# run: /usr/bin/Xvfb :99 -screen 0 1024x768x24 > /dev/null 2>&1 &

	- name: Rush retest (install-run-rush)
	run: node common/scripts/install-run-rush.js retest --verbose --production

	- name: Ensure repo README is up-to-date
	run: node repo-scripts/repo-toolbox/lib/start.js readme --verify

	- name: Rush test (rush-lib)
	run: node apps/rush/lib/start-dev.js test --verbose --production --timeline

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