feat(instr-grpc): update semconv to 1.27

[JamieDanielson]

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Which problem is this PR solving?

• updates #4897

Short description of the changes

• use new ATTR_* for stable http/net attributes
• start adding logic for opt-in options

Question: Should we be using ATTR_* from incubating, or keep using SEMATTRS_*? Asked on http server PR

TODO

• OTEL_SEMCONV_STABILITY_OPT_IN
• ATTR_NET_PEER_NAME => ATTR_SERVER_ADDRESS || ATTR_CLIENT_ADDRESS from stable
• ATTR_NET_PEER_PORT => ATTR_SERVER_PORT || ATTR_CLIENT_PORT from stable

Type of change

Please delete options that are not relevant.

• [ ] New feature (non-breaking change which adds functionality)
• [ ] This change requires a documentation update

How Has This Been Tested?

• [ ] unit tests

Checklist:

• [ ] Followed the style guidelines of this project
• [ ] Unit tests have been added
• [ ] Documentation has been updated