Fix import formatting and sorting

Ruff formatting fixes for import organization.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

backend/app/services/ban_service.py

@@ -62,8 +62,8 @@ if TYPE_CHECKING:
     import aiosqlite
 
     from app.models.geo import GeoCacheLookup, GeoEnricher, GeoInfo
-    from app.services.geo_cache import GeoCache
     from app.repositories.protocols import HistoryArchiveRepository
+    from app.services.geo_cache import GeoCache
 
 log: structlog.stdlib.BoundLogger = structlog.get_logger()