Avoid deprecated self.config access

Author: jacobtylerwalls

pylint/checkers/method_args.py

@@ -69,7 +69,7 @@ def visit_call(self, node: nodes.Call) -> None:
         if (
             inferred
             and not call_site.has_invalid_keywords()
-            and inferred.qname() in self.config.timeout_methods
+            and inferred.qname() in self.linter.config.timeout_methods
         ):
             keyword_arguments = [keyword.arg for keyword in node.keywords]
             keyword_arguments.extend(call_site.keyword_arguments)