SIENTIAPDE-1445 Add PI Web API configuration to .env.example and enhance worker setup
- Introduced new environment variables for PI Web API configuration in .env.example.
- Updated prepare_worker.py to utilize a camelCase to kebab-case conversion function for queue naming.
- Enhanced logging in prepare_worker to provide better insights during worker preparation.
- Adjusted execution counts in tests.ipynb for improved notebook state management.