Update ember-cli to v4.8 - drops Node 12 #183

	name: CI

	on:
	push:
	branches:
	- main
	- master
	pull_request: {}

	concurrency:
	group: ci-${{ github.head_ref \|\| github.ref }}
	cancel-in-progress: true

	jobs:
	test:
	name: 'Tests'
	runs-on: ubuntu-latest
	timeout-minutes: 10

	steps:
	- uses: actions/checkout@v3
	- name: Install Node
	uses: actions/setup-node@v3
	with:
	node-version: 14.x
	cache: yarn
	- name: Install Dependencies
	run: yarn install --frozen-lockfile
	- name: Lint
	run: yarn lint
	- name: Run Tests
	run: yarn test:ember

	floating:
	name: 'Floating Dependencies'
	runs-on: ubuntu-latest
	timeout-minutes: 10

	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-node@v3
	with:
	node-version: 14.x
	cache: yarn
	- name: Install Dependencies
	run: yarn install --no-lockfile
	- name: Run Tests
	run: yarn test:ember

	try-scenarios:
	name: ${{ matrix.try-scenario }}
	needs: 'test'
	runs-on: ubuntu-latest
	timeout-minutes: 10

	strategy:
	fail-fast: false
	matrix:
	try-scenario:
	- ember-lts-3.28
	- ember-4
	- ember-lts-4.4
	- ember-lts-4.8
	- ember-4.11
	- ember-lts-4.12
	# - ember-release
	# - ember-beta
	# - ember-canary
	- embroider-safe
	- embroider-optimized

	steps:
	- uses: actions/checkout@v3
	- name: Install Node
	uses: actions/setup-node@v3
	with:
	node-version: 14.x
	cache: yarn
	- name: Install Dependencies
	run: yarn install --frozen-lockfile
	- name: Run Tests
	run: ./node_modules/.bin/ember try:one ${{ matrix.try-scenario }}

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