test

Bump step-security/harden-runner from 2.19.4 to 2.20.0 #383

Job	Run time
ruby-versions / Generate Ruby versions	4s
build (2.6 / windows-latest)	1m 41s
build (3.0 / ubuntu-latest)	9s
build (3.0 / macos-latest)	12s
build (2.5 / ubuntu-latest)	25s
build (2.6 / ubuntu-latest)	27s
build (2.6 / macos-latest)	48s
build (3.0 / windows-latest)	56s
build (2.7 / ubuntu-latest)	25s
build (3.1 / macos-latest)	13s
build (2.5 / windows-latest)	1m 47s
build (3.1 / ubuntu-latest)	10s
build (2.7 / macos-latest)	48s
build (2.7 / windows-latest)	1m 34s
build (3.2 / macos-latest)	12s
build (jruby / ubuntu-latest)	51s
build (3.2 / ubuntu-latest)	11s
build (3.4 / ubuntu-latest)	10s
build (3.4 / windows-latest)	1m 5s
build (3.3 / macos-latest)	13s
build (3.3 / ubuntu-latest)	12s
build (3.1 / windows-latest)	1m 2s
build (truffleruby / macos-latest)	33s
build (jruby-head / ubuntu-latest)	44s
build (4.0 / ubuntu-latest)	12s
build (mingw / windows-latest)	1m 6s
build (head / macos-latest)	12s
build (3.4 / macos-latest)	21s
build (head / ubuntu-latest)	7s
build (4.0 / macos-latest)	14s
build (mswin / windows-latest)	1m 5s
build (truffleruby / ubuntu-latest)	30s
build (3.2 / windows-latest)	1m 7s
build (3.3 / windows-latest)	1m 5s
build (4.0 / windows-latest)	56s
	21m 47s

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