chore(deps): update devdependencies (major) to v8 #958

	# https://help.github.com/en/categories/automating-your-workflow-with-github-actions

	name: "Tests"

	on: [push]

	jobs:
	test:
	name: "Tests"

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: 0
	persist-credentials: false

	- name: Use Node.js 12.x
	uses: actions/setup-node@v2
	with:
	node-version: 12.x

	- name: set git credentials
	run: \|
	git config --local user.email "[email protected]"
	git config --local user.name "Daniel Bannert"

	- name: Get yarn cache directory path
	id: yarn-cache-dir-path
	run: echo "::set-output name=dir::$(yarn config get cacheFolder)"

	- uses: actions/cache@v2
	id: yarn-cache # use this to check for `cache-hit` (`steps.yarn-cache.outputs.cache-hit != 'true'`)
	with:
	path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
	key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
	restore-keys: \|
	${{ runner.os }}-yarn-

	- name: install
	run: yarn install

	- name: lint
	run: yarn run lint

	- name: build
	run: yarn run build && yarn run pack

	- name: test
	run: yarn run test

	- name: "Send code coverage report to Codecov.io"
	uses: codecov/codecov-action@v1

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