bug: fix check light not responding properly from graphQL.

pyasic/miners/_backends/bosminer.py

@@ -276,8 +276,11 @@ class BOSMiner(BaseMiner):
             return self.light
         # get light through GraphQL
         if data := await self.send_graphql_query("{bos {faultLight}}"):
+            try:
                 self.light = data["data"]["bos"]["faultLight"]
                 return self.light
+            except KeyError or ValueError or TypeError:
+                pass
 
         # get light via ssh if that fails (10x slower)
         data = (