feat(bullmq): add distributed tracing and comprehensive semantic attributes

- Add distributed tracing support with trace propagation through job data
- Implement comprehensive semantic attributes aligned with AppSignal patterns
- Add configuration options for bulk operations and span control
- Create individual job processing spans with producer-consumer linking
- Add extensive job metadata, timing, and error handling attributes
- Implement custom getter/setter for trace context in BullMQ jobs
- Add comprehensive test coverage for all new functionality

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: smoke