lint: ignore too-many-positional-arguments

This check was somewhat recently added to pylint, and Exirel doesn't
want it anyway (asked on IRC).

.pylintrc

@@ -431,7 +431,8 @@ disable=raw-checker-failed,
         use-implicit-booleaness-not-comparison-to-string,
         use-implicit-booleaness-not-comparison-to-zero,
         use-symbolic-message-instead,
-        consider-using-f-string
+        consider-using-f-string,
+        too-many-positional-arguments
 
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