Tests

Update to libv8-node 20.x #128

Job	Run time
macos-11 - ruby-3.0	58s
macos-11 - ruby-3.1	42s
macos-11 - truffleruby+graalvm-head	5m 26s
linux-amd64 - ruby-3.0 - gnu	52m 7s
macos-11 - ruby-3.2	40s
macos-12 - truffleruby+graalvm-head	2m 1s
macos-12 - ruby-3.0	56s
linux-amd64 - ruby-3.0 - musl	38s
ubuntu-20.04 - truffleruby+graalvm-head	1m 48s
macos-12 - ruby-3.1	28s
linux-arm64 - ruby-3.0 - gnu	6h 0m 15s
linux-arm64 - ruby-3.0 - musl	2m 28s
macos-12 - ruby-3.2	29s
linux-amd64 - ruby-3.1 - gnu	1h 3m 35s
linux-amd64 - ruby-3.1 - musl	34s
linux-arm64 - ruby-3.1 - gnu	6h 0m 15s
linux-arm64 - ruby-3.1 - musl	2m 35s
linux-amd64 - ruby-3.2 - gnu	1h 0m 1s
linux-amd64 - ruby-3.2 - musl	21s
linux-arm64 - ruby-3.2 - gnu	6h 0m 14s
linux-arm64 - ruby-3.2 - musl	10m 14s
	21h 26m 45s

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