Track Otel Agent Span updates

[TaoChenOSU]

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name: Track Otel Agent Span updates
about: Observability

These PRs added new attributes to the agent_invoke span: #12834, #12928 . However, the proposal to Otel has not been finalized yet: open-telemetry/semantic-conventions#2528

Keep track of the status of the proposal. If anything changes, we should also update our implementations.