[internal/core] migrate semantic convention from v1.25.0 to v1.40.0

[singhvibhanshu]

This PR is part 1 towards #45297 which aims at migrating network attributes from v1.25.0 to v1.40.0

• net.host.port is replaced by server.port
  (Here is the reference link: https://opentelemetry.io/docs/specs/semconv/registry/attributes/network/#net-host-port)

• net.peer.name is replaced by server.address on client spans and client.address on server spans
  (Here is the reference link: https://opentelemetry.io/docs/specs/semconv/registry/attributes/network/#net-peer-name)

• net.peer.port is replaced by server.porton client spans and client.port on server spans
  (Here is the reference link: https://opentelemetry.io/docs/specs/semconv/registry/attributes/network/#net-peer-port)

• net.transport is replaced by network.transport
  (Here is the reference link: https://opentelemetry.io/docs/specs/semconv/registry/attributes/network/#net-transport)

Assisted by: Claude Opus 4.8

[singhvibhanshu]

May I ask for some reviews here from @open-telemetry/collector-contrib-approvers?

[opentelemetry-pr-dashboard]

Pull request dashboard status

Status last refreshed: 2026-07-25 16:03:29 UTC.

• Waiting on: Author
• Next step: Move out of draft to request review.

This automated status or its linked feedback items may be incorrect. If something looks wrong, please report it with the result you expected.

[singhvibhanshu]

/rerun