Update dependency serverless to v4 #440

	name: "ci"

	on:
	push:
	branches: ["master"]
	pull_request:
	types: [opened, synchronize]

	jobs:
	ci:
	name: Build and Test
	runs-on: "ubuntu-latest"

	steps:
	- name: Check out code
	uses: actions/checkout@v3
	with:
	fetch-depth: 2

	- name: Setup Node.js environment
	uses: actions/setup-node@v3
	with:
	node-version: 14
	cache: 'yarn'

	- name: Install dependencies
	run: yarn

	- name: Build
	run: yarn build

	- name: Lint
	run: yarn lint

	- name: Test
	run: yarn test

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