Use cache from setup-java action #2

	name: Build FreedomChat
	on: [ push, pull_request ]
	jobs:
	build:
	# Only run on PRs if the source branch is on someone else's repo
	if: ${{ github.event_name != 'pull_request' \|\| github.repository != github.event.pull_request.head.repo.full_name }}
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: Gradle wrapper validation
	uses: gradle/wrapper-validation-action@v1
	- name: Set up JDK
	uses: actions/setup-java@v4
	with:
	distribution: 'temurin'
	java-version: '17'
	cache: 'gradle'
	- name: Build
	run: ./gradlew build
	- name: Upload
	uses: actions/upload-artifact@v4
	with:
	name: FreedomChat
	path: "build/libs/FreedomChat-*.jar"

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