feat: support array_value attribute type, closes #82

[yangxikun]

No description provided.

[plantfansam]

semantic_conventions/trace/http.lua is automatically generated by https://github.com/yangxikun/opentelemetry-lua/blob/main/Makefile#L36, so we should move the functions added there to a different file.

[yangxikun]

Ok, I will refactor this pr.

[yangxikun]

semantic_conventions/trace/http.lua is automatically generated by https://github.com/yangxikun/opentelemetry-lua/blob/main/Makefile#L36, so we should move the functions added there to a different file.

The specification had changed file format from yaml to markdown: https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/trace/semantic_conventions/http.md
I think we should maintain semantic_conventions manually now. @plantfansam

[plantfansam]

I think they've just moved to a new repository - https://github.com/open-telemetry/semantic-conventions/blob/main/model/trace/http.yaml. I can work on fixing the script.