Add Metrics API and aggregator #2879

Job	Run time
Ruby 2.7 & Sidekiq 5.0, options - null	1m 4s
Ruby 3.0 & Sidekiq 5.0, options - null	47s
Ruby 3.1 & Sidekiq 5.0, options - null	48s
Ruby 3.2 & Sidekiq 5.0, options - null	1m 7s
Ruby 3.3 & Sidekiq 5.0, options - null	56s
Ruby jruby & Sidekiq 5.0, options - null	1m 44s
Ruby 2.7 & Sidekiq 6.0, options - null	1m 2s
Ruby 3.0 & Sidekiq 6.0, options - null	1m 12s
Ruby 3.1 & Sidekiq 6.0, options - null	51s
Ruby 3.2 & Sidekiq 6.0, options - null	47s
Ruby 3.3 & Sidekiq 6.0, options - null	44s
Ruby jruby & Sidekiq 6.0, options - null	1m 35s
Ruby 2.7 & Sidekiq 7.0, options - null	1m 3s
Ruby 3.0 & Sidekiq 7.0, options - null	1m 17s
Ruby 3.1 & Sidekiq 7.0, options - null	54s
Ruby 3.2 & Sidekiq 7.0, options - { "codecov": 1 }	1m 11s
Ruby 3.3 & Sidekiq 7.0, options - null	47s
Ruby jruby & Sidekiq 7.0, options - null	1m 33s
Ruby 2.4 & Sidekiq 5, options - null	1m 14s
Ruby 2.5 & Sidekiq 5, options - null	51s
Ruby 2.5 & Sidekiq 6, options - null	51s
Ruby 2.6 & Sidekiq 5, options - null	1m 5s
Ruby 2.6 & Sidekiq 6, options - null	1m 7s
	24m 30s

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