[SIMI-271] Supabase Cloud: no-assets, define label

[bskinny]

Introduce crawler-based Supabase Cloud integration which is distinguished from existing Supabase Agent check by added "Cloud" in name and metric namespace prefix supabase.cloud.

Review checklist (to be filled by reviewers)

• [ ] Feature or bugfix MUST have appropriate tests (unit, integration, e2e)
• [ ] Add the qa/skip-qa label if the PR doesn't need to be tested during QA.
• [ ] If you need to backport this PR to another branch, you can add the backport/<branch-name> label to the PR and it will automatically open a backport PR once this one is merged

[github-actions[bot]]

⚠️ Recommendation: Add qa/skip-qa label

This PR does not modify any files shipped with the agent.

To help streamline the release process, please consider adding the qa/skip-qa label if these changes do not require QA testing.

[git-thuerk-done]

Thanks @bskinny I created internal review for this one!