Upgrade CI to Node 18 and deprecate Node 14 #1150

	name: CI

	# Runs build and test on:
	# every push to main
	# every pull request with main branch as the base
	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	test:
	name: Check Code
	runs-on: ubuntu-latest
	env:
	DISPLAY: :99.0
	strategy:
	matrix:
	node-version: [16.x, 18.x, 20.x]
	steps:
	- uses: actions/checkout@v4
	- uses: ./.github/actions/setup
	with:
	node-version: ${{ matrix.node-version }}

	- name: Check all package.json's and tsconfig.json's are in sync.
	run: \|
	pnpm sync
	git diff --no-ext-diff --quiet --exit-code

	- name: Build libraries and distributions ${{ matrix.node-version }}
	run: pnpm build

	- name: Check Code ${{ matrix.node-version }}
	run: pnpm check:ci

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