Migrate RetireDotnet to Advisory V2

[ziadhany]

Issue:

• VCIO-API-V2: Migrate Retiredotnet importer to advisory V2 #2039

Pipeline logs:

Importing data using retiredotnet_importer_v2
INFO 2026-02-04 00:01:09.309041 UTC Pipeline [RetireDotnetImporterPipeline] starting
INFO 2026-02-04 00:01:09.309174 UTC Step [clone] starting
INFO 2026-02-04 00:01:09.309225 UTC Cloning `git+https://github.com/RetireNet/Packages/`
INFO 2026-02-04 00:01:11.091335 UTC Step [clone] completed in 2 seconds
INFO 2026-02-04 00:01:11.091539 UTC Step [collect_and_store_advisories] starting
INFO 2026-02-04 00:01:11.092470 UTC Collecting 20 advisories
INFO 2026-02-04 00:01:11.181689 UTC Progress: 10% (2/20) ETA: 1 seconds
INFO 2026-02-04 00:01:11.213413 UTC Progress: 20% (4/20)
INFO 2026-02-04 00:01:11.232434 UTC Progress: 30% (6/20)
INFO 2026-02-04 00:01:11.251705 UTC Progress: 40% (8/20)
INFO 2026-02-04 00:01:11.270308 UTC Progress: 50% (10/20)
INFO 2026-02-04 00:01:11.288061 UTC Progress: 60% (12/20)
INFO 2026-02-04 00:01:11.314961 UTC Progress: 70% (14/20)
INFO 2026-02-04 00:01:11.342083 UTC Progress: 80% (16/20)
INFO 2026-02-04 00:01:11.365225 UTC Progress: 90% (18/20)
INFO 2026-02-04 00:01:11.389351 UTC Progress: 100% (20/20)
INFO 2026-02-04 00:01:11.397801 UTC Successfully collected 20 advisories
INFO 2026-02-04 00:01:11.397891 UTC Step [collect_and_store_advisories] completed in 0 seconds
INFO 2026-02-04 00:01:11.397942 UTC Step [clean_downloads] starting
INFO 2026-02-04 00:01:11.397987 UTC Removing cloned repository
INFO 2026-02-04 00:01:11.399833 UTC Step [clean_downloads] completed in 0 seconds
INFO 2026-02-04 00:01:11.399904 UTC Pipeline completed in 2 seconds

Process finished with exit code 0

from vulnerabilities.models import AdvisoryV2
from django.db.models import Count
duplicates = (
    AdvisoryV2.objects
    .values('avid')
    .annotate(count=Count('id'))
    .filter(count__gt=1)
)
len(duplicates)
Out[2]: 0
AdvisoryV2.objects.count()
Out[3]: 20