**Related Issue(s)**:  ...

**Proposed changes**:
- ...

## Pre-flight checklist
- [ ]  I have read the [contributors guidelines](https://github.com/deepset-ai/haystack/blob/master/CONTRIBUTING.md)
- [ ] I have [enabled actions on my fork](https://github.com/deepset-ai/haystack/blob/master/CONTRIBUTING.md#forks)
- [ ] If this is a code change, I added tests or updated existing ones 
- [ ] If this is a code change, I updated the docstrings