test

Bump up 0.3.0 #48

Job	Run time
ruby-versions / Generate Ruby versions	8s
build (2.5 / ubuntu-latest)	21s
build (2.5 / macos-latest)	1m 10s
build (2.5 / windows-latest)	2m 33s
build (2.6 / ubuntu-latest)	30s
build (2.6 / macos-latest)	1m 11s
build (2.6 / windows-latest)	1m 43s
build (2.7 / ubuntu-latest)	19s
build (2.7 / macos-latest)	44s
build (2.7 / windows-latest)	2m 6s
build (3.0 / ubuntu-latest)	8s
build (3.0 / macos-latest)	12s
build (3.0 / windows-latest)	1m 52s
build (3.1 / ubuntu-latest)	9s
build (3.1 / macos-latest)	9s
build (3.1 / windows-latest)	50s
build (3.2 / ubuntu-latest)	7s
build (3.2 / macos-latest)	12s
build (3.2 / windows-latest)	2m 38s
build (head / ubuntu-latest)	6s
build (head / macos-latest)	13s
build (head / windows-latest)	1m 24s
build (jruby / ubuntu-latest)	27s
build (jruby / macos-latest)	38s
build (jruby / windows-latest)	3m 7s
build (jruby-head / ubuntu-latest)	32s
build (jruby-head / macos-latest)	54s
build (jruby-head / windows-latest)	2m 46s
build (truffleruby / ubuntu-latest)	24s
build (truffleruby / macos-latest)	35s
build (truffleruby-head / ubuntu-latest)	29s
build (truffleruby-head / macos-latest)	37s
	29m 14s

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