Migrate to Java 21 #702

	name: Build pull request

	on: pull_request

	jobs:
	ubuntu-build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Set up JDK 21
	uses: actions/setup-java@v1
	with:
	java-version: 21.0.3
	- name: Grant execute permission for gradlew
	run: chmod +x gradlew
	- name: Build with Gradle
	run: ./gradlew clean build jacocoTestReport --info --stacktrace -x test
	env:
	TEST_MODE_ACTIVE: true
	- name: Generate Codecov Report
	uses: codecov/codecov-action@v1

	macos-build:
	runs-on: macos-latest
	steps:
	- uses: actions/checkout@v2
	- name: Set up JDK 21
	uses: actions/setup-java@v1
	with:
	java-version: 21.0.3
	- name: Grant execute permission for gradlew
	run: chmod +x gradlew
	- name: Build with Gradle
	run: ./gradlew clean build jacocoTestReport --info --stacktrace -x test
	env:
	TEST_MODE_ACTIVE: true

	windows-build:
	runs-on: windows-latest
	steps:
	- uses: actions/checkout@v2
	- name: Set up JDK 1.8
	uses: actions/setup-java@v1
	with:
	java-version: 1.8
	- name: Grant execute permission for gradlew
	run: chmod +x gradlew
	- name: Build with Gradle
	run: ./gradlew clean build jacocoTestReport --info --stacktrace -x test
	env:
	TEST_MODE_ACTIVE: true

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