Upgrade rubocop-rspec to version 2.14.2 (#162)

Update rubocop-rspec to version 2.14.2

Co-authored-by: depfu[bot] <23717796+depfu[bot]@users.noreply.github.com>

Author: depfu[bot]

db_lock.gemspec

@@ -22,6 +22,6 @@ Gem::Specification.new do |s|
 
   s.add_development_dependency 'rspec', '~> 3.7'
   s.add_development_dependency 'rubocop', '1.37.1'
-  s.add_development_dependency 'rubocop-rspec', '2.13.2'
+  s.add_development_dependency 'rubocop-rspec', '2.14.2'
   s.add_development_dependency 'simplecov'
 end