Update specs to validate key - cache.hit still not working in 6.0.x #11

Job	Run time
ruby-versions / Generate Ruby versions	2s
Ruby 2.4, options - null	1m 19s
Ruby 2.5, options - null	50s
Ruby 2.6, options - null	53s
Ruby 2.7, options - null	1m 3s
Ruby 3.0, options - null	52s
Ruby 3.1, options - null	59s
Ruby 3.2, options - { "codecov": 1 }	57s
Ruby 3.3, options - null	1m 1s
Ruby head, options - null	1m 42s
Ruby jruby, options - null	1m 40s
Ruby jruby-head, options - null	1m 40s
	12m 58s

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