BugFix - Update upload and download artifact version to V4

[singhgss]

Overview/Summary

This Pull Request updates the pipeline to use the latest versions of the download and upload artifacts, upgrading both to v4. This update ensures compatibility with recent enhancements and optimizations in the artifact handling process.

This PR fixes/adds/changes/removes

1. Updated the DownloadPipelineArtifact task to use version v4.
2. Updated the PublishPipelineArtifact task to use version v4.
3. Adjusted related pipeline scripts and configurations to align with the new artifact task versions.

Breaking Changes

N/A

Testing Evidence

Testing was performed by running the updated pipeline in a staging environment. The following evidence confirms that the changes work as expected:

• Successful completion of the pipeline with the new artifact versions.
• Artifacts were correctly downloaded and uploaded with the updated tasks.
• No errors or unexpected behaviors were observed during the pipeline execution.

As part of this Pull Request I have

• [x] Checked for duplicate Pull Requests
• [x] Associated it with relevant GitHub Issues
• [x] Ensured my code/branch is up-to-date with the latest changes in the main branch
• [x] Performed testing and provided evidence.
• [] Updated relevant and associated documentation.
• [] Ensured PowerShell module versions have been updated (manually or with the ./tools/Update-ModuleVersions.ps1 script)