update build path

Author: stephenatsembit

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: "10.0.x"
+          dotnet-version: "8.0.x"
 
       - name: Restore dependencies
         run: dotnet restore ./src/DataStax.AstraDB.DataAPI/