test: update GDPR export test for dashed jobId — companion to F3

The test asserted the old `gdpr-export:${id}` shape that BullMQ rejects.
Mirrors the production fix in 7da3c5b.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

tests/integration/gdpr-export.test.ts

@@ -166,7 +166,8 @@ describe('requestGdprExport', () => {
     expect(add).toHaveBeenCalledWith(
       'gdpr-export',
       expect.objectContaining({ exportId: row.id, emailToClient: true }),
-      expect.objectContaining({ jobId: `gdpr-export:${row.id}` }),
+      // F3: BullMQ 5.x rejects colons in custom job IDs — switched to dash.
+      expect.objectContaining({ jobId: `gdpr-export-${row.id}` }),
     );
 
     // Cleanup the mock so other tests don't see a stubbed queue.