- Add trailing newline to all requirements*.txt files in qwen-tts backend
- This ensures proper file formatting and prevents potential issues with
package installation tools that expect newline-terminated files
Even if suboptimal as we should poll to wait for the service to be available, this should at least alleviate tests for now
Signed-off-by: Ettore Di Giacinto <mudler@users.noreply.github.com>
