Update GitHub Actions to use latest versions of checkout and setup-dotnet actions

Author: jsakamoto

.github/workflows/gh-pages.yml

@@ -12,14 +12,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       # Checkout the code
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       # Install .NET SDK
       - name: Setup .NET SDK
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
         with:
           dotnet-version: 10.0.x
-          dotnet-quality: 'preview'
       - name: Install .NET WebAssembly Tools
         run: dotnet workload install wasm-tools