Switch to actions @v4 #1279

	###############################################################################
	# Copyright (c) 2021 ArSysOp and others
	#
	# This program and the accompanying materials are made available under the
	# terms of the Eclipse Public License 2.0 which is available at
	# https://www.eclipse.org/legal/epl-2.0/.
	#
	# SPDX-License-Identifier: EPL-2.0
	#
	# Contributors:
	# Alexander Fedorov (ArSysOp) - initial API and implementation
	###############################################################################

	name: CI
	on:
	push:
	branches:
	- master
	pull_request:
	pull_request_review_comment:
	workflow_dispatch:

	concurrency:
	group: ${{ github.ref }}
	cancel-in-progress: true

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- name: Clean up disk space
	run: sudo rm -rf "/opt/ghc" && sudo rm -rf "/usr/local/share/boost" && sudo rm -rf $AGENT_TOOLSDIRECTORY
	- name: Checkout
	uses: actions/checkout@v1
	- name: Set up OpenJDK 17
	uses: actions/setup-java@v4
	with:
	distribution: 'temurin'
	java-version: '17'
	- name: Set up Maven
	uses: stCarolas/setup-maven@v4.5
	with:
	maven-version: 3.9.5
	- name: Set up Maven 2
	run: echo "MAVEN_OPTS='-Xmx4096m'" > ~/.mavenrc
	- name: Build with Maven
	run: mvn clean verify --no-transfer-progress -U -DskipTests=false

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