Update actions/checkout to v4 in README.md #507

	name: build
	on:
	pull_request:
	push:
	branches:
	- master

	concurrency:
	cancel-in-progress: ${{ github.ref != 'refs/heads/master' }}
	group: ${{ github.ref }}

	jobs:
	build:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	checks: write
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-java@v4
	with:
	java-version: 8
	distribution: 'temurin'
	cache: 'maven'
	- run: cd integration-tests/maven && mvn clean verify --batch-mode -Dmaven.test.failure.ignore=true
	- uses: ./
	if: github.ref != 'refs/heads/master'
	with:
	check_name: Example Surefire Test Report
	report_paths: '*/surefire-reports/.xml, */failsafe-reports/.xml'
	- uses: cclauss/[email protected]
	with:
	args: pytest integration-tests/python/ --junit-xml=integration-tests/python/report.xml \|\| exit 0
	- uses: ./
	if: github.ref != 'refs/heads/master'
	with:
	check_name: Example Pytest Report
	report_paths: integration-tests/python/report.xml
	- uses: actions/setup-go@v5
	with:
	go-version: 1.21.x
	- run: \|
	cd integration-tests/go &&
	go install github.com/jstemmer/go-junit-report/v2@latest &&
	go test -v 2>&1 ./... \|
	go-junit-report -out report.xml
	- uses: ./
	if: github.ref != 'refs/heads/master'
	with:
	check_name: Example Go Report
	report_paths: integration-tests/go/report.xml
	file_name_in_stack_trace: true
	- uses: actions/setup-node@v4
	with:
	node-version: 20
	cache: npm
	- run: npm install
	- run: npm run eslint
	- run: npm run test

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