feat(google-ti-feeds): enable IOC fetching for campaigns (#5793)

[romain-filigran]

Proposed changes

add "domains", "files", "urls" and "ip_addresses" to campaign subentity types, allowing the campaign orchestrator to fetch and convert IOCs alongside existing relationships. Update test expectations
accordingly.

Related issues

• fixes feat(google-ti): support fetching and modeling indicators associated with campaigns #5793

Checklist

• I consider the submitted work as finished
• I have signed my commits using GPG key.
• I tested the code for its functionality using different use cases
• I added/update the relevant documentation (either on github or on notion)
• Where necessary I refactored code to improve the overall quality

Further comments

[Copilot]

Pull request overview

This PR extends the Google Threat Intelligence (GTI) Feeds connector’s campaign orchestration to fetch and convert additional IoC-related subentities (beyond the existing campaign relationships), aligning campaign ingestion more closely with the connector’s broader relationship-fetching approach.

Changes:

• Enabled campaign subentity fetching for domains, files, urls, and ip_addresses in the campaign orchestrator.
• Updated orchestration test expectations to account for the newly fetched/converted campaign IoC relationships (as exercised by the existing stubs).

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
external-import/google-ti-feeds/connector/src/custom/orchestrators/campaign/orchestrator_campaign.py	Adds IoC subentity types to the campaign relationship fetch list so the orchestrator can retrieve/convert them.
external-import/google-ti-feeds/tests/custom/test_orchestrator.py	Updates expected log/message counts to reflect additional campaign IoC processing from the stubs.