Update PDFJS to v4 (IN-11761) #24

	name: build_and_test

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	- name: Setup Node
	uses: actions/setup-node@v1
	with:
	node-version: '14'
	- name: Cache Node.js modules
	uses: actions/cache@v2
	with:
	path: ~/.npm
	key: ${{ runner.OS }}-node-${{ hashFiles('**/package-lock.json') }}
	restore-keys: \|
	${{ runner.OS }}-node-
	${{ runner.OS }}-
	- name: Install npm dependencies
	run: npm install --production=false
	- name: Run tests
	run: npm test

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