chore: use probe-cli@v3.21.0 #865

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

	jobs:
	build:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-18.04] # macOS-latest is disabled because of timeout issues
	node-version: [16.x]

	steps:
	- uses: actions/checkout@v2
	# import simone's signing key
	- run: curl -sSL https://github.com/bassosimone.gpg \| gpg --import -
	# import tor's signing key
	- run: curl -sSL https://openpgpkey.torproject.org/.well-known/openpgpkey/torproject.org/hu/kounek7zrdx745qydx6p59t9mqjpuhdf \| gpg --import -

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

	- name: Get yarn cache directory path
	id: yarn-cache-dir-path
	run: echo "::set-output name=dir::$(yarn cache dir)"

	- uses: actions/cache@v1
	id: yarn-cache # use this to check for `cache-hit` (`steps.yarn-cache.outputs.cache-hit != 'true'`)
	with:
	path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
	key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
	restore-keys: \|
	${{ runner.os }}-yarn-

	- name: Install
	run: yarn install --frozen-lockfile

	- name: Build
	run: yarn build

	- name: Unit Tests
	run: yarn test:unit

	- name: Integration Tests
	uses: GabrielBB/xvfb-action@v1.0
	with:
	run: yarn test:e2e
	env:
	LANG: en # By default LANG seems to be set to "C" which isn't handled

	- name: Upload screenshots as workflow artifacts
	if: ${{ failure() }}
	uses: actions/upload-artifact@v2
	with:
	name: E2E-Screenshots
	path: test/screenshots/*/.png

Provide feedback