test

Bump step-security/harden-runner from 2.12.0 to 2.12.1 #276

Job	Run time
ruby-versions / Generate Ruby versions	5s
build (2.5 / ubuntu-latest)	24s
build (2.6 / windows-latest)	1m 16s
build (2.6 / macos-latest)	34s
build (2.5 / windows-latest)	1m 15s
build (2.6 / ubuntu-latest)	22s
build (2.7 / windows-latest)	1m 15s
build (2.7 / macos-latest)	32s
build (3.1 / ubuntu-latest)	7s
build (3.0 / windows-latest)	38s
build (2.7 / ubuntu-latest)	25s
build (3.0 / macos-latest)	9s
build (3.0 / ubuntu-latest)	7s
build (3.4 / ubuntu-latest)	7s
build (3.2 / macos-latest)	9s
build (3.1 / windows-latest)	49s
build (3.3 / ubuntu-latest)	9s
build (3.1 / macos-latest)	10s
build (3.2 / ubuntu-latest)	11s
build (head / ubuntu-latest)	9s
build (3.3 / windows-latest)	45s
build (truffleruby / ubuntu-latest)	21s
build (head / windows-latest)	36s
build (head / macos-latest)	12s
build (3.3 / macos-latest)	10s
build (3.4 / windows-latest)	37s
build (truffleruby-head / macos-latest)	18s
build (3.4 / macos-latest)	11s
build (truffleruby-head / ubuntu-latest)	20s
build (3.2 / windows-latest)	51s
build (truffleruby / macos-latest)	24s
	13m 38s

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