feat(projectHistoryLog): log exports TASK-944

[rgraber]

🗒️ Checklist

1. run linter locally
2. update all related docs (API, README, inline, etc.), if any
3. draft PR with a title <type>(<scope>)<!>: <title> TASK-1234
4. tag PR: at least frontend or backend unless it's global
5. fill in the template below and delete template comments
6. review thyself: read the diff and repro the preview as written
7. open PR & confirm that CI passes
8. request reviewers, if needed
9. delete this section before merging

📣 Summary

Record project history logs for when users export an asset.

👀 Preview steps

Bug template:

1. ℹ️ Log in as a super user. Create and deploy a project
2. Add at least 1 submission to the project
3. Go to Data > Downloads and hit Export. Note: the export may get stuck in processing. This is due to an unrelated bug (https://www.notion.so/kobotoolbox/Exports-fail-with-ExportTask-matching-query-does-not-exist-1377e515f65480328422e0c8fcfed1c0) but doesn't affect this work since we want to log every attempt to export, not just successful ones
4. 🟢 Go to api/v2/audit-logs/?q=metadata__asset_uid:<asset_uid> AND log_type='project-history'
5. There should be a new PH log with action=export (usual metadata)

💭 Notes

Uses the AuditLoggedViewSet and create_from_related_request flows (similar to asset files, paired data, etc.)

[notion-workspace]

Create project-history audit logs

[Guitlle]

cool, now that the base code is in place, these new logs are straight forward