[CDF-24910] 🙃 Support dumping multiple transformations (#1611)

# Description

Today we support only dumping one transformation at a time. This adds
support for dumping multiple

![image](https://github.com/user-attachments/assets/373f3fb3-b11f-4508-8660-7323be61e725)


## Changelog

- [x] Patch
- [ ] Minor
- [ ] Skip

## cdf

### Improved

- The `cdf dump transformation` now supports selecting multiple
transformations.

## templates

No changes.
