fix(lifecycle): add convert_to_str to serializers

Author: duanhongyi

rootfs/api/serializers/__init__.py

@@ -280,7 +280,7 @@ class ConfigSerializer(serializers.ModelSerializer):
     owner = serializers.ReadOnlyField(source='owner.username')
     values = JSONFieldSerializer(required=False, binary=True)
     limits = JSONFieldSerializer(required=False, binary=True)
-    lifecycle = JSONFieldSerializer(required=False, binary=True)
+    lifecycle = JSONFieldSerializer(convert_to_str=False, required=False, binary=True)
     tags = JSONFieldSerializer(required=False, binary=True)
     registry = JSONFieldSerializer(required=False, binary=True)
     healthcheck = JSONFieldSerializer(convert_to_str=False, required=False, binary=True)