build

Use safe navigation operator (#238) #2441

Job	Run time
lint	11s
spec (macos-latest, 3.1)	20s
spec (alpine-latest, 3.1)	34s
spec (macos-latest, 3.2)	18s
spec (alpine-latest, 3.2)	34s
spec (macos-latest, 3.3)	19s
spec (alpine-latest, 3.3)	34s
spec (macos-latest, jruby)	1m 2s
spec (macos-latest, truffleruby)	46s
spec (macos-latest, truffleruby+graalvm)	1m 58s
spec (ubuntu-latest, 3.1)	18s
spec (ubuntu-latest, 3.2)	11s
spec (ubuntu-latest, 3.3)	16s
spec (ubuntu-latest, jruby)	1m 30s
spec (ubuntu-latest, truffleruby)	58s
spec (ubuntu-latest, truffleruby+graalvm)	3m 24s
spec (windows-latest, 3.1)	1m 15s
spec (windows-latest, 3.2)	58s
spec (windows-latest, 3.3)	2m 16s
spec (windows-latest, jruby)	3m 1s
release	5s
	20m 48s

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