automation: ignore pylint warning R1732 (consider-using-with)

pylint wants us to use `with` statement for opening files. But since we
store and use the file objects in other locations and clean in yet
another location this is not easy to fix without some heavy refactoring.
At this point it is preferable to just silence the warning.

Author: nyoxi

pylintrc

@@ -17,6 +17,7 @@ disable=arguments-differ,
         bad-whitespace,
         broad-except,
         consider-iterating-dictionary,
+        consider-using-with,
         deprecated-method,
         duplicate-except,
         fixme,