fix: set CELERY_RESULT_EXPIRES to 7 days in settings

Author: FuzzyGrim

src/config/settings.py

@@ -294,6 +294,7 @@
 CELERY_RESULT_EXTENDED = True
 CELERY_RESULT_BACKEND = "django-db"
 CELERY_CACHE_BACKEND = "default"
+CELERY_RESULT_EXPIRES = 60 * 60 * 24 * 7  # 7 days
 
 # https://docs.celeryq.dev/en/stable/userguide/configuration.html#task-serializer
 CELERY_TASK_SERIALIZER = "pickle"