Rework MRI test exclusions #4859

Job	Run time
lint	13m 54s
build native	13m 8s
build jvm	6m 32s
ruby/spec on CRuby 3.0	3m 26s
ruby/spec on CRuby 3.1	3m 24s
ruby/spec on CRuby 3.2	3m 6s
specs :truffle	14m 35s
specs :language :core	12m 59s
fast specs	1m 55s
specs :library :cext :security :command_line :tracepoint	9m 49s
test integration	10m 0s
run MRI tests on native	16m 26s
test native	3m 15s
	1h 52m 29s

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