fix: 修复migrations文件错误 (#11116)

Co-authored-by: fangfang.dong <fangfang.dong@fit2cloud.com>

apps/assets/migrations/0121_auto_20230725_1458.py

@@ -9,7 +9,7 @@ def migrate_platforms_sftp_protocol(apps, schema_editor):
     ssh_protocols = platform_protocol_cls.objects \
         .filter(name='ssh', setting__sftp_enabled=True) \
         .exclude(name__in=('Gateway', 'RemoteAppHost')) \
-        .filter(type='linux')
+        .filter(platform__type='linux')
     platforms_has_sftp = platform_cls.objects.filter(protocols__name='sftp')
 
     new_protocols = []