fix(async): synchronous only operation from update

kfet/config.py

@@ -1,4 +1,5 @@
 import djconfig
+from asgiref.sync import sync_to_async
 from django.core.exceptions import ValidationError
 from django.db import models
 
@@ -23,7 +24,7 @@ class KFetConfig(object):
         # Note it should be called only once across requests, if you use
         # kfet_config instance below.
         if not self._conf_init:
-            djconfig.reload_maybe()
+            sync_to_async(djconfig.reload_maybe)()
             self._conf_init = True
 
     def __getattr__(self, key):