Update eslint-plugin-jest and webpack-dev-server to latest #5

	name: CI

	on:
	push:
	branches:
	- 'master'
	pull_request:

	jobs:
	test:
	name: Lint/Test/Build
	runs-on: ubuntu-latest
	env:
	CI: true
	strategy:
	matrix:
	node-version: ['latest']
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Setup environment
	id: setup
	run: \|-
	echo "npm-cache-dir=$(npm config get cache)" >> ${GITHUB_OUTPUT}

	- name: Setup Node ${{ matrix.node }}
	uses: actions/setup-node@v3
	with:
	node-version: ${{ matrix.node }}
	check-latest: true

	# TODO: this does work (it'll find the cache) but it appears it's not putting the cache
	# back into ./node_modules because skipping the install step results in subsequent
	# steps failing with messages like `prettier not found`, which implies there's no
	# node_modules directory there with Prettier installed in it...
	#
	# - name: NPM cache check
	# uses: actions/cache@v3
	# id: npm-cache
	# with:
	# path: ${{ steps.setup.outputs.npm-cache-dir }}
	# key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
	# restore-keys: \|
	# ${{ runner.os }}-node-

	- name: Install packages
	# if: steps.npm-cache.outputs.cache-hit != 'true'
	run: npm ci

	- name: Lint
	run: \|-
	npm run fmt:check;
	npm run lint;

	- name: Test
	run: \|-
	npm run test:unit;

	- name: Build # Tests to see if a build can succeed
	run: npm run build

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