.rubocop.yml in libhoney-1.17.0 vs .rubocop.yml in libhoney-1.18.0

@@ -14,9 +14,10 @@
   Max: 35
 
 Metrics/ClassLength:
   Max: 200
   Exclude:
+    - lib/libhoney/transmission.rb # Should this remain so large?
     - test/*
 
 Metrics/MethodLength:
   Max: 40
   Exclude: