Update artifact action to v4 #1235

	name: Multi node test workflow

	env:
	java_version: 14
	# This workflow is triggered on pull requests to master
	on:
	pull_request:
	branches:
	- "*"
	push:
	branches:
	- "*"

	jobs:
	build:
	# Job name
	name: Build Asynchronous Search
	# This job runs on Linux
	runs-on: ubuntu-latest
	steps:
	# This step uses the setup-java Github action: https://github.com/actions/setup-java
	- name: Set Up JDK 14
	uses: actions/setup-java@v1
	with:
	java-version: ${{ env.java_version }}
	# This step uses the checkout Github action: https://github.com/actions/checkout
	- name: Checkout Branch
	uses: actions/checkout@v2
	- name: Run integration tests with multi node config
	run: ./gradlew integTest -PnumNodes=5 -Dopensearch.version=1.3.19-SNAPSHOT
	- name: Run Backwards Compatibility Tests
	run: \|
	echo "Running backwards compatibility tests ..."
	./gradlew bwcTestSuite -Dtests.security.manager=false
	- name: Upload failed logs
	uses: actions/upload-artifact@v4
	if: failure()
	with:
	name: logs
	path: build/testclusters/integTest-/logs/

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