Adds gen_ai.provider.name attribute values: alibaba.dashscope, alibaba.gen_ai

[Cirilla-zmh]

Fixes #2794

Changes

Add new enum items for the values of gen_ai.provider.name.

Note: if the PR is touching an area that is not listed in the existing areas, or the area does not have sufficient domain experts coverage, the PR might be tagged as experts needed and move slowly until experts are identified.

Merge requirement checklist

• CONTRIBUTING.md guidelines followed.
• Change log entry added, according to the guidelines in When to add a changelog entry.
  • If your PR does not need a change log, start the PR title with [chore]
• Links to the prototypes or existing instrumentations (when adding or changing conventions)

[gyliu513]

lgtm

[gyliu513]

fix ci error here

[lmolkova]

is it possible to document the whole convention, not just the constant name? It's the best practice:

semantic-conventions/docs/how-to-write-conventions/README.md

Lines 181 to 182 in e7eb016

	Only define new system identifiers when you also document how conventions apply
	to that system. For example, when adding a new `db.system.name` value, create

[Cirilla-zmh]

Thanks for your reminder! Do you mean that I should add a vendor-specific convention, such as for GCP or Azure? If so, we happen to be planning to do exactly that!

However, it might take some time. I think, for now, we can first add the enumeration, and later add the complete Alibaba-specific convention — which usually means more internal discussions.

[Cirilla-zmh]

Dicussion on SIG call:

Add alibaba vendor-specific conventions.

[github-actions]

This PR was marked stale due to lack of activity. It will be closed in 7 days.

[github-actions]

Closed as inactive. Feel free to reopen if this PR is still being worked on.