DRAFT Update semantic conventions to unreleased v1.39.0-dev

[otelbot-docs[bot]]

This is a draft PR used for identifying issues integrating the latest (unreleased) semantic conventions.

Issues

• [ ] https://github.com/open-telemetry/semantic-conventions/pull/3108 See failed job and link-check failure

  WARN File /home/runner/work/opentelemetry.io/opentelemetry.io/tmp/otel/specification/trace/api.md: cannot resolve spec link reference '/docs/specs/semconv/database/database-spans.md' (/docs/specs/semconv/database/database-spans.md) docs/zero-code/java/agent/supported-libraries/index.html target does not exist --- docs/zero-code/java/agent/supported-libraries/index.html --> /docs/specs/semconv/database/database-metrics/

  • Issue: https://github.com/open-telemetry/semantic-conventions/issues/3138

• [ ] https://github.com/open-telemetry/opentelemetry-specification/pull/4778 See link-check failure

  docs/specs/otel/compatibility/opencensus/index.html hash does not exist --- docs/specs/otel/compatibility/opencensus/index.html --> /docs/specs/semconv/rpc/rpc-metrics/#metric-rpcserverduration