Use ts-jest instead of babel directly / run prettier during github actions / fix prettier issues #375

	name: Node CI

	on: [push, pull_request]

	jobs:
	# We do not strictly need an install-deps job
	# because we do not kick of multiple jobs in parallel
	# that would all try to install deps when the key changes.
	# Skipping this saves a few seconds until the point where we need it.
	# install-deps:
	# runs-on: ubuntu-latest
	# strategy:
	# matrix:
	# node-version: [12.x, 14.x, 16.x]
	# steps:
	# - uses: actions/checkout@v4
	# - uses: ./.github/actions/configure-nodejs
	# with:
	# node-version: ${{ matrix.node-version }}
	# lookup-only: 'true' # We only want to lookup from the cache - if a hit, this job does nothing

	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	node-version: [18.x, 20.x, 22.x]
	steps:
	- uses: actions/checkout@v4
	- uses: ./.github/actions/configure-nodejs
	with:
	node-version: ${{ matrix.node-version }}
	- name: Lint
	run: npm run lint
	- name: Check Formatting with Prettier
	run: npm run prettier
	- name: Build TypeScript
	run: npm run build
	- name: Unit Tests
	run: npm run test
	- name: XML Lint Test
	run: npm run test:xmllint

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