Update GitHub Actions workflow to enable use of GitHub Packages before publishing the package to nuget.org.

Author: jsakamoto

.github/workflows/gh-pages.yml

@@ -24,6 +24,10 @@ jobs:
       - name: Install .NET WebAssembly Tools
         run: dotnet workload install wasm-tools
 
+      # Add GitHub Packages as a NuGet source
+      - name: Add GitHub Packages source
+        run: dotnet nuget add source "https://nuget.pkg.github.com/jsakamoto/index.json" --name "GitHubPackages" --username "jsakamoto" --password "${{ secrets.GITHUB_TOKEN }}" --store-password-in-clear-text
+
       # Publish the site
       - name: Publish
         run: dotnet publish BlazorWasmApp1.csproj -o ../../public -p GHPages=true --nologo