Update build-deploy.yml and .NET version

- Added `fetch-depth: 0` to checkout in `build-deploy.yml` for full history clone.
- Updated .NET setup to use version `8.0.x`, ensuring up-to-date builds.

Author: chintans

.github/workflows/build-deploy.yml

@@ -12,6 +12,8 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
 
     - name: Setup .NET
       uses: actions/setup-dotnet@v4