The following artifacts were uploaded using a version of actions/upload-artifact that is scheduled for deprecation: "D2L.Security.OAuth2.234de0f1b5097824260f474fae0bd95a646f8893". Please update your workflow to use v4 of the artifact actions. Learn more: https://github.blog/changelog/2024-04-16-deprecation-notice-v3-of-the-artifact-actions/

Converting null literal or possible null value to non-nullable type.