.rubocop.yml in cocina-models-0.17.0 vs .rubocop.yml in cocina-models-0.18.0

- old
+ new

@@ -16,6 +16,6 @@
 
 RSpec/MultipleExpectations:
   Enabled: false
 
 RSpec/ExampleLength:
-  Max: 12
+  Max: 15