fix: fix: update sanitize gem for CVE-2020-4054

Author: bethesque

pact_broker.gemspec

@@ -63,7 +63,7 @@ Gem::Specification.new do |gem|
   gem.add_runtime_dependency 'dry-logic', '0.4.2' # Later version cases ArgumentError: wrong number of arguments
   gem.add_runtime_dependency 'table_print', '~> 1.5'
   gem.add_runtime_dependency 'semantic_logger', '~> 4.3'
-  gem.add_runtime_dependency 'sanitize', '~> 5.1'
+  gem.add_runtime_dependency 'sanitize', '>= 5.2.1', '~> 5.1'
 
   gem.add_development_dependency 'pact', '~>1.14'
   gem.add_development_dependency 'rspec-pact-matchers', '~>0.1'