Update actions/upload-artifact action to v4 #26

	name: Demo app
	on:
	pull_request:
	paths:
	- .github/workflows/demo.yml
	- DemoApp/*
	concurrency:
	group: ${{ github.head_ref }}-${{ github.workflow }}
	cancel-in-progress: true
	jobs:
	xcode-version:
	name: Extract latest Xcode version from matrix
	runs-on: ubuntu-latest
	outputs:
	latest-xcode-version: ${{ steps.extract-xcode-version.outputs.latest_xcode_version }}
	steps:
	- uses: actions/checkout@v4
	- id: extract-xcode-version
	run: \|
	latest_xcode_version=$(cat .github/matrix.json \| jq -r '.xcode_version \| max')
	echo "latest_xcode_version=$latest_xcode_version" >> $GITHUB_OUTPUT
	test:
	name: Test
	needs: xcode-version
	runs-on: macOS-13
	strategy:
	fail-fast: false
	matrix:
	destination:
	- 'platform=macOS'
	- 'platform=iOS Simulator,name=iPhone 14 Pro'
	env:
	DEVELOPER_DIR: /Applications/Xcode_${{ needs.xcode-version.outputs.latest-xcode-version }}.app/Contents/Developer
	steps:
	- uses: actions/checkout@v4
	- name: Run Test
	id: test
	run: \|
	platform=$(echo '${{ matrix.destination }}' \| sed -E 's/platform=(.)(,name=.)/\1/g' \| tr ' ' '_')
	echo "platform=$platform" >> $GITHUB_OUTPUT
	defaults write com.apple.dt.XCBuild EnableSwiftBuildSystemIntegration 1
	cd DemoApp/MockUserDefaultsDemoLib
	xcrun xcodebuild \
	-scheme 'MockUserDefaultsDemoLib' \
	-destination '${{ matrix.destination }}' \
	-resultBundlePath "test_output/$platform.xcresult" \
	test \| xcpretty
	- name: Upload test result
	uses: actions/upload-artifact@v4
	with:
	name: ${{ steps.test.outputs.platform }}
	path: DemoApp/MockUserDefaultsDemoLib/test_output
	if-no-files-found: error
	retention-days: 7

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