Update test.yml

Author: mahalakshmi-rekadi

.github/workflows/test.yml

@@ -10,7 +10,7 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: 8.0.0
+        dotnet-version: 8
     - name: Restore dependencies
       run: dotnet restore PowerThreadPool/PowerThreadPool.csproj
     - name: Build