Don't use multithread for the release build #108

	###############################################################################
	# Copyright (c) 2022, 2024 SWTChart project
	#
	# 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:
	# Matthias Mailänder - initial API and implementation
	###############################################################################

	name: Continuous Integration
	on:
	pull_request:

	permissions:
	contents: read

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout SWTChart
	uses: actions/checkout@v3

	- name: Set up JDK
	uses: actions/setup-java@v3
	with:
	distribution: 'temurin'
	java-version: '17'
	cache: 'maven'

	- name: Set up Maven
	uses: stCarolas/[email protected]
	with:
	maven-version: 3.9.2

	- name: Build with Maven
	uses: coactions/setup-xvfb@v1
	with:
	run: mvn -f org.eclipse.swtchart.cbi/pom.xml -T 1C verify --batch-mode --no-transfer-progress

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