bumped rubocop version

Author: davezuckerman

berkeley_library-location.gemspec

@@ -41,7 +41,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'dotenv', '~> 2.7'
   spec.add_development_dependency 'rake', '~> 13.0'
   spec.add_development_dependency 'rspec', '~> 3.10'
-  spec.add_development_dependency 'rubocop', '= 1.39'
+  spec.add_development_dependency 'rubocop', '~> 1.75'
   spec.add_development_dependency 'rubocop-rake', '= 0.6.0'
   spec.add_development_dependency 'rubocop-rspec', '= 2.4.0'
   spec.add_development_dependency 'ruby-prof', '~> 1.7.1'