Test otel

[jrhea]

This PR is not intended to be merged. I just created to test the following OTEL PRs end to end:

• rpc: add OpenTelemetry tracing for JSON-RPC calls ethereum/go-ethereum#33452
• rpc: extract OpenTelemetry trace context from request headers ethereum/go-ethereum#33599
• cmd/geth, internal/telemetry: wire OpenTelemetry tracing via CLI flags ethereum/go-ethereum#33484
• eth/catalyst: add initial OpenTelemetry tracing for newPayload ethereum/go-ethereum#33521

---

Run SigNoz

git clone https://github.com/SigNoz/signoz.git
cd signoz/deploy/docker
docker compose up -d

Navigate to: http://localhost:8080/ and click on the "Traces" tab on the left side panel.

Sync with Hoodi

Run Geth

go build ./cmd/geth && ./geth --hoodi \
       --datadir=/tmp/hoodi-test \
       --beacon.api=http://unstable.hoodi.beacon-api.nimbus.team \
       --beacon.checkpoint=<LATEST_FINALIZED_CHECKPOINT>\
       --rpc.telemetry=true \
       --rpc.telemetry.endpoint=http://localhost:4318