Update actions/checkout action to v4 #2401

	name: CI Build

	on:
	push:
	branches: [ master, 'v*' ]
	pull_request:
	branches: [ master ]


	jobs:
	test:
	name: Tests
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	- uses: volta-cli/action@v1
	- run: yarn install --frozen-lockfile
	- run: yarn lint
	- run: yarn test:ember

	floating-dependencies:
	name: "Floating Dependencies"
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	- uses: volta-cli/action@v1
	- run: yarn install --no-lockfile
	- run: yarn test:ember

	try-scenarios:
	name: "Try: ${{ matrix.ember-try-scenario }}"

	runs-on: ubuntu-latest

	needs: test

	strategy:
	fail-fast: false
	matrix:
	ember-try-scenario:
	- ember-default-with-jquery
	- ember-default-with-mocha
	- ember-classic
	- embroider-safe
	- embroider-safe-with-mocha
	- embroider-optimized
	- embroider-optimized-with-mocha
	- ember-lts-3.24
	- ember-lts-3.20
	- ember-release
	- ember-beta
	- ember-canary
	- ember-qunit-4

	steps:
	- uses: actions/checkout@v4
	- uses: volta-cli/action@v1
	with:
	node-version: 12.x
	- name: install dependencies
	run: yarn install --frozen-lockfile
	- name: test
	run: node_modules/.bin/ember try:one ${{ matrix.ember-try-scenario }} --skip-cleanup

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