Try different .NET version

Author: const-cloudinary

.github/workflows/test.yaml

@@ -10,7 +10,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: '9.0.x'
+          dotnet-version: '8.0.x'
           cache: true
 
       - name: Restore Dependencies