Upgrade to RuboCop 0.27.0 dependency.
Vendor rubocop-0.27.0 upstream configuration.
Update finstyle choices to track RuboCop 0.27.0 updates.

As with all releases, these choices are made when run against the Test
Kitchen project (https://github.com/test-kitchen/test-kitchen) and
reflect the style chosen for this project and its related projects.
Release 1.3.0, running with RuboCop 0.27.0.