Refactor gradle script, remove circleci config, add JDK 21 to matrix … #82

	# This workflow uses actions that are not certified by GitHub.
	# They are provided by a third-party and are governed by
	# separate terms of service, privacy policy, and support
	# documentation.
	# This workflow will build a Java project with Gradle and cache/restore any dependencies to improve the workflow execution time
	# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-gradle

	name: Build with Gradle

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]
	workflow_dispatch:
	if: github.actor == github.event.repository.owner.login
	branches: [ master ]

	jobs:
	build:

	runs-on: ubuntu-latest

	strategy:
	matrix:
	java: [ '11', '17', '21' ]

	name: Build under JDK ${{ matrix.Java }}

	steps:
	- name: Checkout github repo (+ download lfs dependencies)
	uses: actions/checkout@v4
	with:
	lfs: true
	- name: Set up JDK
	uses: actions/setup-java@v4
	with:
	java-version: ${{ matrix.java }}
	distribution: 'zulu'
	cache: 'gradle'
	- name: Grant execute permission for gradlew
	run: chmod +x gradlew
	- name: Build with Gradle
	uses: gradle/gradle-build-action@v2
	with:
	gradle-version: wrapper
	arguments: check build --stacktrace
	- name: Publish Test Report
	uses: mikepenz/action-junit-report@v4
	if: success() \|\| failure()
	with:
	report_paths: '*/TEST-.xml'

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