Relax the factory_bot version requirement to match Solidus'

Author: elia

solidus_dev_support.gemspec

@@ -33,7 +33,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'capybara-screenshot', '~> 1.0'
   spec.add_dependency 'codecov', '~> 0.2'
   spec.add_dependency 'database_cleaner', '~> 1.7'
-  spec.add_dependency 'factory_bot', '~> 4.8'
+  spec.add_dependency 'factory_bot', '>= 4.8'
   spec.add_dependency 'factory_bot_rails'
   spec.add_dependency 'ffaker', '~> 2.13'
   spec.add_dependency 'gem-release', '~> 2.1'