fix(deps): update fakefs for irb addition

Author: YOU54F

pact-support.gemspec

@@ -33,8 +33,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "rake", "~> 13.0"
   spec.add_development_dependency "webmock", "~> 3.18.1"
   spec.add_development_dependency "pry"
-  spec.add_development_dependency "fakefs", "~> 2.4.0"
-  spec.add_development_dependency "irb"
+  spec.add_development_dependency "fakefs", "~> 3.2.0"
   spec.add_development_dependency "fiddle"
   spec.add_development_dependency "hashie", "~> 5.0"
   spec.add_development_dependency "activesupport"