feat(telemetry): Add opentelemetry to batcher

[PatStiles]

Adds opentelemetry traces to the batcher using tracing-opentelemetry.

TODO:

• [ ] Format tracing logs to be less verbose.

To Test:

1. Run anvil

make anvil_start_with_block_time

2. Run aggregator

make aggregator_start

3. Run batcher

make batcher_start_local

4. Build operator

make operator_register_and_start

5. Send proofs

make batcher_send_burst_groth16

15. Go to Jaeger UI and find the new traces