IDEA: switch to Java 11 #34

	# 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: CI

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

	jobs:
	build:
	name: ${{ matrix.title }}
	runs-on: ubuntu-latest
	strategy:
	matrix:
	include:
	- title: Java 11
	java: 11
	- title: Java 17
	java: 17
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Set up JDK
	uses: actions/setup-java@v3
	with:
	distribution: 'zulu'
	java-version: ${{ matrix.java }}
	cache: gradle
	- name: Grant execute permission for gradlew
	run: chmod +x gradlew
	- name: Build with Gradle
	run: ./gradlew build
	- name: Collect mutation testing report
	run: mkdir mutation-testing-report && cp -r build/reports/pitest/* mutation-testing-report
	- name: Archive mutation testing results
	uses: actions/upload-artifact@v3
	with:
	name: mutation-testing-report-${{ matrix.java }}
	path: mutation-testing-report

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