Experimental support for multi-threaded profiling using Vernier #2387

Job	Run time
ruby-versions / Generate Ruby versions	3s
Ruby 2.4, options - null	1m 13s
Ruby 2.5, options - null	56s
Ruby 2.6, options - null	1m 3s
Ruby 2.7, options - null	56s
Ruby 3.0, options - null	1m 2s
Ruby 3.1, options - null	46s
Ruby 3.2, options - { "codecov": 1 }	59s
Ruby 3.3, options - null	51s
Ruby head, options - null	1m 52s
Ruby jruby, options - null	1m 53s
Ruby jruby-head, options - null	1m 46s
	13m 20s

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