Integrate latest changes from v5 branch, fix CI and tests #144

	# Runs ioredis lint, build, and test steps in docker.
	name: CI

	# Controls when the action will run.
	on:
	# Triggers the workflow on push or pull request events but only for the main branch
	push:
	branches:
	- master
	- release
	- greenkeeper**
	pull_request:
	branches:
	- master
	- release
	- dmaier*
	# Allows you to run this workflow manually from the Actions tab
	workflow_dispatch:

	# A workflow run is made up of one or more jobs that can run sequentially or in parallel
	jobs:
	# This workflow contains a single job called "build"
	build:
	# The type of runner that the job will run on
	runs-on: ubuntu-latest

	# See https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions#using-environment-variables-in-a-matrix
	strategy:
	fail-fast: false
	matrix:
	node: [8.x, 10.x, 12.x, 14.x, 16.x, 20.x]

	# Steps represent a sequence of tasks that will be executed as part of the job
	steps:
	# Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
	- uses: actions/checkout@v2

	- name: Use Node.js ${{ matrix.node }}
	uses: actions/setup-node@v1
	with:
	node-version: ${{ matrix.node }}

	- name: Start Redis
	uses: supercharge/redis-github-action@1.4.0
	with:
	redis-version: latest

	- run: npm install
	- run: npm run lint
	- run: npm run build
	- run: npm run test

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