lint: upgrade eslint to v9 and flag config #188

	name: Build

	on:
	push:
	pull_request:

	jobs:
	lint:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-node@v4

	- name: Enable Corepack
	run: corepack enable

	- name: Cache Yarn dependencies
	uses: ./.github/actions/cache
	with:
	os: ${{ runner.os }}

	- name: Install dependencies
	run: yarn install

	- name: Lint JavaScript
	run: yarn lint

	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-node@v4

	- name: Enable Corepack
	run: corepack enable

	- name: Cache Yarn dependencies
	uses: ./.github/actions/cache
	with:
	os: ${{ runner.os }}

	- name: Install dependencies
	run: yarn install

	- name: Lint JavaScript
	run: yarn build

	test:
	runs-on: ubuntu-latest

	strategy:
	fail-fast: false
	matrix:
	version: [18, 20, 22]

	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-node@v4
	with:
	node-version: ${{ matrix.version }}

	- name: Enable Corepack
	run: corepack enable

	- name: Cache Yarn dependencies
	uses: ./.github/actions/cache
	with:
	os: ${{ runner.os }}

	- name: Install dependencies
	run: yarn install

	- name: Test
	run: yarn test

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