Fix rubocop redundant freeze #13

Job	Run time
Ruby 2.7 & Sidekiq 5.0, options - null	57s
Ruby 3.0 & Sidekiq 5.0, options - null	43s
Ruby 3.1 & Sidekiq 5.0, options - null	46s
Ruby 3.2 & Sidekiq 5.0, options - null	55s
Ruby 3.3 & Sidekiq 5.0, options - null	49s
Ruby jruby & Sidekiq 5.0, options - null	1m 21s
Ruby 2.7 & Sidekiq 6.5, options - null	1m 1s
Ruby 3.0 & Sidekiq 6.5, options - null	57s
Ruby 3.1 & Sidekiq 6.5, options - null	50s
Ruby 3.2 & Sidekiq 6.5, options - null	53s
Ruby 3.3 & Sidekiq 6.5, options - null	50s
Ruby jruby & Sidekiq 6.5, options - null	1m 33s
Ruby 2.7 & Sidekiq 7.0, options - null	1m 4s
Ruby 3.0 & Sidekiq 7.0, options - null	52s
Ruby 3.1 & Sidekiq 7.0, options - null	51s
Ruby 3.2 & Sidekiq 7.0, options - { "codecov": 1 }	1m 10s
Ruby 3.3 & Sidekiq 7.0, options - null	51s
Ruby jruby & Sidekiq 7.0, options - null	1m 24s
Ruby 2.4 & Sidekiq 5, options - null	1m 18s
Ruby 2.5 & Sidekiq 5, options - null	51s
Ruby 2.5 & Sidekiq 6, options - null	47s
Ruby 2.6 & Sidekiq 5, options - null	58s
Ruby 2.6 & Sidekiq 6, options - null	58s
Ruby jruby & Sidekiq 6, options - null	1m 34s
	24m 13s

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