Fix out-of-date action: actions/upload-artifact@v2

Fix pipeline warning: 

> **Build, Test, and Release**
> The following actions uses node12 which is deprecated and will be forced to run on node16: `actions/upload-artifact@v2`.
> For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/
