Require openssl for Rails 8.1

Author: JonRowe

example_app_generator/spec/support/default_preview_path

@@ -7,6 +7,7 @@ end
 ENV['RAILS_ENV'] ||= 'development'
 # Pick the frameworks you want:
 begin
+  require "openssl"
   require "active_storage"
   require "active_storage/engine"
 rescue LoadError

example_app_generator/spec/verify_mailer_preview_path_spec.rb

@@ -40,12 +40,6 @@ def capture_exec(*ops)
     CaptureExec.new(out, $?.exitstatus)
   end
 
-  if ENV['RAILS_VERSION'] == 'main' && Rails::VERSION::STRING == "8.0.0.alpha"
-    before do
-      skip('This is broken on Rails main but is skipped for green builds, please fix')
-    end
-  end
-
   if Rails::VERSION::STRING.to_f >= 7.1
     let(:expected_custom_path) { "/custom/path\n#{::Rails.root}/test/mailers/previews" }
     let(:expected_rspec_path) { "#{::Rails.root}/spec/mailers/previews\n#{::Rails.root}/test/mailers/previews" }