[Lint] CodeClimate: Raise argument count to 5

`handle_error` method takes 5 arguments and that's fine.

Author: okuramasafumi

.codeclimate.yml

@@ -5,6 +5,10 @@ checks:
     enabled: true
     config:
       threshold: 7
+  argument-count:
+    enabled: true
+    config:
+      threshold: 5
 
 exclude_patterns:
   - "benchmark/**/*"