Use more robust Artifactory client, fix download of stash and ensure to fail pipeline if anything went wrong during pipeline execution
Should also fix #17
Testing done
Automated tests and interactive tests
### Submitter checklist
- [x] Make sure you are opening from a **topic/feature/bugfix branch** (right side) and not your main branch!
- [x] Ensure that the pull request title represents the desired changelog entry
- [x] Please describe what you did
- [ ] Link to relevant issues in GitHub or Jira
- [ ] Link to relevant pull requests, esp. upstream and downstream changes
- [ ] Ensure you have provided tests - that demonstrates feature works or fixes the issue
Use more robust Artifactory client, fix download of stash and ensure to fail pipeline if anything went wrong during pipeline execution
Should also fix #17
Testing done
Automated tests and interactive tests