Fix path in GitHub Actions workflow for BlazorLocalTimeSample project build

Author: arika0093

.github/workflows/sample-deploy.yaml

@@ -25,7 +25,7 @@ jobs:
         run: dotnet restore
 
       - name: Build BlazorLocalTimeSample
-        run: dotnet publish -c:Release -o:public -p:GHPages=true example/BlazorLocalTimeSample.csproj
+        run: dotnet publish -c:Release -o:public -p:GHPages=true example/BlazorLocalTimeSample/BlazorLocalTimeSample.csproj
 
       - name: Deploy to GitHub Pages
         uses: peaceiris/actions-gh-pages@v4