test

Bump step-security/harden-runner from 2.12.0 to 2.12.1 #712

Job	Run time
ruby-versions / Generate Ruby versions	4s
test (ubuntu-latest, 2.4)	43s
test (ubuntu-latest, 2.6)	50s
test (ubuntu-latest, 2.7)	51s
test (ubuntu-latest, 3.0)	18s
test (ubuntu-latest, 3.2)	20s
test (ubuntu-latest, 2.3)	47s
test (ubuntu-latest, 2.5)	45s
test (ubuntu-latest, 3.4)	17s
test (ubuntu-latest, 3.1)	17s
test (ubuntu-latest, 3.3)	18s
test (ubuntu-latest, jruby)	3m 41s
test (ubuntu-latest, head)	17s
test (ubuntu-latest, truffleruby)	51s
test (windows-latest, 3.0)	4m 49s
test (windows-latest, 3.2)	2m 11s
test (ubuntu-latest, jruby-head)	4m 17s
test (windows-latest, 2.3)	3m 24s
test (windows-latest, 3.4)	2m 49s
test (windows-latest, 3.1)	2m 3s
test (windows-latest, 2.6)	3m 30s
test (windows-latest, 2.5)	5m 7s
test (windows-latest, 3.3)	2m 17s
test (windows-latest, 2.7)	4m 2s
test (windows-latest, head)	5m 6s
test (windows-latest, 2.4)	2m 51s
	52m 45s

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