add build step3 #6

	name: Build with provenance
	on: [push]

	permissions: read-all

	jobs:
	staging-okr-deploy:
	permissions:
	id-token: write # For signing.
	contents: read # For repo checkout of private repos.
	actions: read # For getting workflow run on private repos.
	runs-on: ubuntu-latest
	steps:
	- name: Checkout project
	uses: actions/checkout@v2
	with:
	token: ${{secrets.VERSION_TOKEN}}

	- name: Set up JDK 17
	uses: actions/setup-java@v2
	with:
	java-version: '17'
	distribution: 'adopt'
	server-id: github
	settings-path: ${{github.workspace}}

	- name: Generate and Set New Version
	run: mvn build-helper:parse-version versions:set -DnewVersion=\${parsedVersion.majorVersion}.\${parsedVersion.minorVersion}.\${parsedVersion.nextIncrementalVersion} -DgenerateBackupPoms=false

	- name: Extract Maven project version
	run: echo "version=$(mvn -q -Dexec.executable=echo -Dexec.args='${project.version}' --non-recursive exec:exec)" >> $GITHUB_OUTPUT
	id: store-version


	- name: Set New Snapshot Version
	run: mvn build-helper:parse-version versions:set -DnewVersion=${{ steps.store-version.outputs.version}}-SNAPSHOT -DgenerateBackupPoms=false

	- name: Set up node 16
	uses: actions/setup-node@v3
	with:
	node-version: 16

	- name: Install Dependencies
	run: cd ./frontend && npm ci

	- name: Build frontend with Angular
	run: cd ./frontend && npm run build:staging

	- name: Build backend with Maven
	run: mvn -B clean package --file pom.xml -P staging
	- name: create provenance
	uses: slsa-framework/slsa-github-generator/.github/workflows/builder_maven_slsa3.yml@main

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