Test

Bump actions/checkout from 3 to 4 #103

# to view logs

Run time

Learn about OS # on GitHub Actions

Job	Run time
2.5 on ubuntu	19s
2.6 on ubuntu	22s
2.7 on ubuntu	21s
3.0 on ubuntu	15s
3.1 on ubuntu	13s
3.2 on ubuntu	13s
2.6 on macos	38s
2.7 on macos	26s
3.0 on macos	16s
3.1 on macos	18s
3.2 on macos	16s
truffleruby on ubuntu	31s
jruby on ubuntu	46s
head on ubuntu	12s
	5m 6s