ci: add dependabot configuration for dependency updates #3

	name: CI

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]

	jobs:
	test:
	name: Test
	runs-on: ubuntu-latest
	strategy:
	matrix:
	node-version: [18.x, 20.x]

	steps:
	- uses: actions/checkout@v4

	- name: Use Node.js ${{ matrix.node-version }}
	uses: actions/setup-node@v4
	with:
	node-version: ${{ matrix.node-version }}
	cache: 'yarn'

	- name: Install dependencies
	run: yarn install --immutable

	- name: Run linting
	run: yarn lint

	- name: Run tests
	run: yarn test

	build:
	name: Build
	runs-on: ubuntu-latest
	needs: test

	steps:
	- uses: actions/checkout@v4

	- name: Use Node.js
	uses: actions/setup-node@v4
	with:
	node-version: '20.x'
	cache: 'yarn'

	- name: Install dependencies
	run: yarn install --immutable

	- name: Build project
	run: yarn build

	- name: Upload build artifacts
	uses: actions/upload-artifact@v4
	with:
	name: build-files
	path: build/
	retention-days: 7

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