FIX: error "unknown attribute verified" in uploads rake tasks

The new column is verification_status.
verified: nil is now verification_status: unchecked

lib/tasks/uploads.rake

@@ -1146,7 +1146,7 @@ def fix_missing_s3
       else
         # we do not fix sha, it may be wrong for arbitrary reasons, if we correct it
         # we may end up breaking posts
-        upload.update!(etag: fixed_upload.etag, url: fixed_upload.url, verified: nil)
+        upload.update!(etag: fixed_upload.etag, url: fixed_upload.url, verification_status: Upload.verification_statuses[:unchecked])
 
         OptimizedImage.where(upload_id: upload.id).destroy_all
         rebake_ids = PostUpload.where(upload_id: upload.id).pluck(:post_id)