reset ruby interpreter verbosity on octo-diff load failure

Author: mschuchard

CHANGELOG.md

@@ -1,7 +1,7 @@
 ### 2.3.1 (Next)
 - No input target paths now defaults to current working directory instead of error.
 - Additionally check `Vagrantfile` and `gemspec` files.
-- Fix behavior for when optional dependency `octocatalog-diff` is absent.
+- Fix and improve behavior for when optional dependency `octocatalog-diff` is absent.
 
 ### 2.3.0
 - Minimum Ruby version increased to 2.7.

lib/puppet-check/regression_check.rb

@@ -30,4 +30,5 @@ def self.config(octoconfig)
   end
 rescue LoadError
   warn 'puppet-check: octocatalog-diff is not installed, and therefore the regression checks will be skipped'
+  $VERBOSE = false
 end