Update Yarn to v4.5.1 #422

	name: CI
	on: [push, pull_request]
	jobs:

	lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions/cache@v2
	with:
	path: '**/node_modules'
	key: ${{ runner.os }}-lint-modules-${{ hashFiles('**/yarn.lock') }}
	- uses: actions/setup-node@v2
	with:
	node-version: 20.x
	- run: corepack enable
	- run: yarn install
	- run: yarn run lint

	test:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, windows-latest, macos-latest]
	node-version:
	- 18.x
	- 20.x
	- 21.x
	steps:
	- name: Use Node.js ${{ matrix.node-version }}
	uses: actions/setup-node@v2
	with:
	node-version: ${{ matrix.node-version }}
	- name: Enable CorePack
	run: corepack enable
	- name: Ensure line endings are consistent
	run: git config --global core.autocrlf input
	- name: Check out repository
	uses: actions/checkout@v2
	- uses: actions/cache@v2
	with:
	path: '**/node_modules'
	key: ${{ runner.os }}-test-modules-${{ hashFiles('**/yarn.lock') }}
	- name: Install dependencies
	run: yarn install
	- name: Build project
	run: yarn run build
	- name: Run tests
	run: yarn run test
	- name: Submit coverage results
	uses: coverallsapp/github-action@master
	with:
	github-token: ${{ secrets.github_token }}
	flag-name: run-${{ matrix.node-version }}
	parallel: true

	coveralls:
	needs: test
	runs-on: ubuntu-latest
	steps:
	- name: Consolidate test coverage from different jobs
	uses: coverallsapp/github-action@master
	with:
	github-token: ${{ secrets.github_token }}
	parallel-finished: true

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