chore: update tests to test current versions of Java #43

	# 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: Java CI with Gradle

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

	permissions:
	contents: read

	jobs:
	build:

	runs-on: ubuntu-latest
	strategy:
	matrix:
	# follows https://en.wikipedia.org/wiki/Java_version_history#Release_table
	java-versions: ['8', '11', '17', '21']

	steps:
	- uses: actions/checkout@v3
	- name: Set up Java ${{ matrix.java-versions }}
	uses: actions/setup-java@v3
	with:
	java-version: ${{ matrix.java-versions }}
	distribution: 'temurin'
	- name: Build with Gradle
	uses: gradle/gradle-build-action@fec4a42eb0c83154e5c9590748ba8337949c5701
	with:
	arguments: build

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