Autofix Rubocop Style/StringLiterals (#23695)

spec/spec_helper.rb

@@ -12,7 +12,7 @@ end
 gc_counter = -1
 
 RSpec.configure do |config|
-  config.example_status_persistence_file_path = "tmp/rspec/examples.txt"
+  config.example_status_persistence_file_path = 'tmp/rspec/examples.txt'
   config.expect_with :rspec do |expectations|
     expectations.include_chain_clauses_in_custom_matcher_descriptions = true
   end
@@ -60,7 +60,7 @@ end
 
 def expect_push_bulk_to_match(klass, matcher)
   expect(Sidekiq::Client).to receive(:push_bulk).with(hash_including({
-    "class" => klass,
-    "args" => matcher,
+    'class' => klass,
+    'args' => matcher,
   }))
 end