Update Maven plagin version and Java version in pom and yml files #47

	name: java-hello-world-maven
	on:
	push:
	paths:
	- 'java-hello-world-maven/**'
	- '.github/workflows/java-hello-world-maven.yml'
	# pull_request: (requires EE, which is unavailable in PRs)
	schedule:
	- cron: "0 0 1 * *" # run every month
	workflow_dispatch:
	permissions:
	contents: read
	jobs:
	run:
	name: Run 'java-hello-world-maven'
	runs-on: ubuntu-latest
	timeout-minutes: 15
	steps:
	- uses: actions/checkout@v3
	- uses: graalvm/setup-graalvm@v1
	with:
	java-version: '21.0.1'
	distribution: 'graalvm'
	github-token: ${{ secrets.GITHUB_TOKEN }}
	cache: 'maven'
	native-image-job-reports: 'true'
	- name: Run 'java-hello-world-maven'
	run: \|
	cd java-hello-world-maven
	mvn --no-transfer-progress clean package
	java -jar target/my-app-1.0-SNAPSHOT.jar
	mvn --no-transfer-progress clean -Pnative -DskipTests package
	./target/my-app

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