build

Bump step-security/harden-runner from 2.10.2 to 2.10.3 #1477

Job	Run time
ruby-versions / Generate Ruby versions	2s
build (2.6 / ubuntu-latest)	27s
build (2.6 / macos-latest)	34s
build (2.6 / windows-latest)	2m 24s
build (2.7 / ubuntu-latest)	39s
build (2.7 / macos-latest)	33s
build (2.7 / windows-latest)	5m 44s
build (3.0 / ubuntu-latest)	14s
build (3.0 / macos-latest)	14s
build (3.0 / windows-latest)	1m 49s
build (3.1 / ubuntu-latest)	36s
build (3.1 / macos-latest)	15s
build (3.1 / windows-latest)	1m 50s
build (3.2 / ubuntu-latest)	15s
build (3.2 / macos-latest)	15s
build (3.2 / windows-latest)	2m 6s
build (3.3 / ubuntu-latest)	15s
build (3.3 / macos-latest)	14s
build (3.3 / windows-latest)	1m 42s
build (3.4 / ubuntu-latest)	19s
build (3.4 / macos-latest)	21s
build (3.4 / windows-latest)	3m 39s
build (head / ubuntu-latest)	16s
build (head / macos-latest)	16s
build (truffleruby-head / ubuntu-latest)	56s
build (truffleruby-head / macos-latest)	37s
build (mingw / windows-latest)	1m 7s
build (mswin / windows-2019)	2m 24s
	30m 3s

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