[Snyk] Security upgrade webpack-dev-server from 3.11.3 to 4.9.0 #15

	# This is a basic workflow to help you get started with Actions

	name: CI

	# Controls when the action will run. Triggers the workflow on push or pull request
	# events but only for the master branch
	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	# 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

	# 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

	# Runs a single command using the runners shell
	- name: Run a one-line script
	run: echo Hello, world!

	# Runs a set of commands using the runners shell
	- name: Build project
	run: yarn install
	echo Add other actions to build,
	echo test, and deploy your project.
	- name: Synopsys Detect
	uses: blackducksoftware/[email protected]
	with:
	# Synopsys Detect arguments
	args: --blackduck.url="${{ secrets.BD_URL}}" --blackduck.api.token="${{ secrets.BD_TOKEN}}"

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