Update upload-artifact action to v4 #12

	name: Deploy to GitHub Pages
	env:
	PUBLISH_DIR: src/Blazor.Client.HelloWorld/bin/Release/net8.0/publish/wwwroot

	on:
	push:
	branches: [ main ]

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2

	- name: Setup .NET
	uses: actions/setup-dotnet@v1
	with:
	dotnet-version: '8.0.x'

	- name: Publish app
	run: dotnet publish ./src/Blazor.Client.HelloWorld/Blazor.Client.HelloWorld.csproj -c Release

	- name: Rewrite base href
	uses: SteveSandersonMS/ghaction-rewrite-base-href@v1
	with:
	html_path: ${{ env.PUBLISH_DIR }}/index.html
	base_href: /BlazorOnGitHubPages/

	- name: Archive production artifacts
	uses: actions/upload-artifact@v4
	with:
	name: published-app
	path: ${{ env.PUBLISH_DIR }}

	deploy:
	runs-on: ubuntu-latest
	# Add a dependency to the build job
	needs: build

	# Grant GITHUB_TOKEN the permissions required to make a Pages deployment
	permissions:
	pages: write # to deploy to Pages
	id-token: write # to verify the deployment originates from an appropriate source
	actions: read # to download an artifact uploaded by `actions/upload-pages-artifact@v3`

	# Deploy to the github-pages environment
	environment:
	name: github-pages

	steps:
	- name: Deploy to GitHub Pages
	id: deployment
	uses: actions/deploy-pages@v4
	with:
	token: ${{ secrets.GITHUB_TOKEN }}
	artifact_name: published-app

	- name: Update environment
	run: echo "PAGE_URL=https://${{ github.repository_owner }}.github.io/${{ github.repository }}" >> $GITHUB_ENV

Provide feedback