test

Don't use Base64 library #135

Job	Run time
ruby-versions / Generate Ruby versions	2s
build (2.5 / ubuntu-latest)	46s
build (2.5 / windows-latest)	1m 49s
build (2.6 / ubuntu-latest)	52s
build (2.6 / macos-latest)	1m 7s
build (2.6 / windows-latest)	2m 44s
build (2.7 / ubuntu-latest)	50s
build (2.7 / macos-latest)	1m 5s
build (2.7 / windows-latest)	1m 52s
build (3.0 / ubuntu-latest)	37s
build (3.0 / macos-latest)	56s
build (3.0 / windows-latest)	1m 22s
build (3.1 / ubuntu-latest)	38s
build (3.1 / macos-latest)	55s
build (3.1 / windows-latest)	1m 15s
build (3.2 / ubuntu-latest)	40s
build (3.2 / macos-latest)	56s
build (3.2 / windows-latest)	2m 7s
build (3.3 / ubuntu-latest)	34s
build (3.3 / macos-latest)	47s
build (3.3 / windows-latest)	3m 0s
build (head / ubuntu-latest)	36s
build (head / macos-latest)	50s
build (head / windows-latest)	1m 20s
	27m 40s

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