chore: bump workload to v1.4.0

[gruyaume]

Description

Bump workload to v1.4.0.

Checklist:

• [ ] My code follows the style guidelines of this project
• [ ] I have performed a self-review of my own code
• [ ] I have made corresponding changes to the documentation
• [ ] Any dependent changes have been merged and published in downstream modules

[gruyaume]

This patch is no longer needed as it was merged upstream before 1.4.0.

Ok I removed it