Update dependencies for things moving out of stdlib

Gemfile

@@ -77,6 +77,7 @@ group :test do
     gem 'base64'
     gem 'bigdecimal'
     gem 'mutex_m'
+    gem 'ostruct'
   end
   if ENV['RAILS_VERSION'].nil? || ENV['RAILS_VERSION'] >= '6.0.0'
     gem 'zeitwerk', :require => false

delayed_job.gemspec

@@ -2,6 +2,8 @@
 
 Gem::Specification.new do |spec|
   spec.add_dependency 'activesupport', ['>= 3.0', '< 9.0']
+  spec.add_dependency 'benchmark'
+  spec.add_dependency 'logger'
   spec.authors        = ['Brandon Keepers', 'Brian Ryckbost', 'Chris Gaffney', 'David Genord II', 'Erik Michaels-Ober', 'Matt Griffin', 'Steve Richert', 'Tobias Lütke']
   spec.description    = 'Delayed_job (or DJ) encapsulates the common pattern of asynchronously executing longer tasks in the background. It is a direct extraction from Shopify where the job table is responsible for a multitude of core tasks.'
   spec.email          = ['[email protected]']