Update to latest Gradle Action, tweak build for configuration cache #235

	name: Build and Test
	on:
	push:
	branches:
	- main
	pull_request:
	types: [opened, synchronize, reopened]

	jobs:
	build:
	name: Build
	runs-on: ubuntu-latest
	steps:
	- name: Set up Java
	uses: actions/setup-java@v4
	with:
	java-version: '21'
	distribution: 'temurin'

	- name: Checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 0 # Allows sonar to collect blame information

	# From https://docs.sonarqube.org/latest/analysis/github-integration/
	- name: Cache SonarCloud packages
	uses: actions/cache@v4
	with:
	path: ~/.sonar/cache
	key: ${{ runner.os }}-sonar
	restore-keys: ${{ runner.os }}-sonar

	- name: Setup Gradle
	uses: gradle/actions/setup-gradle@cc4fc85e6b35bafd578d5ffbc76a5518407e1af0
	# v4.2.1
	with:
	validate-wrappers: true
	cache-encryption-key: ${{ secrets.GRADLE_ENCRYPTION_KEY }}

	- name: Run tests
	run: ./gradlew --configuration-cache check javadoc publish sonar -s -Pversion=${BUILD_LABEL//\//_}
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # Needed to get PR information, if any
	SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
	BUILD_LABEL: ${{ github.head_ref \|\| github.ref_name }}

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