Update dependency prettier to v3 #514

	name: CI

	on:
	push:
	branches:
	- master
	pull_request:
	branches:
	- master

	jobs:
	ci:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v2
	- name: Read Node.js version to install from `.nvmrc`
	run: echo "##[set-output name=NVMRC;]$(cat .nvmrc)"
	id: nvm
	- name: Install required Node.js version
	uses: actions/setup-node@v1
	with:
	node-version: "${{ steps.nvm.outputs.NVMRC }}"
	- name: Get Yarn cache directory path
	id: yarn-cache
	run: echo "::set-output name=dir::$(yarn cache dir)"
	- name: Setup cache key and directory for node_modules cache
	uses: actions/cache@v2
	with:
	path: ${{ steps.yarn-cache.outputs.dir }}
	key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
	- name: Yarn install
	run: yarn --frozen-lockfile
	- name: Test
	run: yarn test
	- name: Code coverage
	uses: codecov/codecov-action@v1
	- name: Release
	if: github.event_name == 'push' && (github.ref == 'refs/heads/master' \|\| github.ref == 'refs/heads/next')
	run: yarn semantic-release
	env:
	GH_TOKEN: ${{ secrets.GH_TOKEN }}
	NPM_TOKEN: ${{ secrets.NPM_TOKEN }}

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