WorkFlow changes

Author: RohitM-IN

.github/workflows/nuget_publish.yml

@@ -19,7 +19,7 @@ jobs:
     - name: Setup .NET Core
       uses: actions/setup-dotnet@v2
       with:
-        dotnet-version: 'net8.0'
+        dotnet-version: '8.0.x'
 
     - name: Build and Publish DbSyncKit.Core
       run: |