Use shared workflows release

[AndyRae]

Is this the right issue type?

• Yes, I'm planning work for this project team.

Summary

Would be good to transition to using this sample workflow:

https://github.com/Health-Informatics-UoN/workflows/blob/main/docs/samples/release.pypi.md

Acceptance Criteria

• Release uses the workflow
• Tests pass.
• Documentation added.

Confirm creation

• Ready to create this feature?