test

Replace Timeout.timeout with TCPSocket.open(open_timeout:) when available #578

Job	Run time
ruby-versions / Generate Ruby versions	3s
test (2.6 / macos-latest)	6h 0m 17s
test (2.6 / windows-latest)	6h 0m 10s
test (3.1 / ubuntu-latest)	24s
test (2.6 / ubuntu-latest)	6h 0m 14s
test (2.7 / windows-latest)	6h 0m 9s
test (3.0 / macos-latest)	25s
test (2.7 / ubuntu-latest)	6h 0m 15s
test (3.0 / windows-latest)	58s
test (3.1 / macos-latest)	27s
test (3.0 / ubuntu-latest)	22s
test (3.1 / windows-latest)	1m 6s
test (3.2 / macos-latest)	26s
test (3.3 / ubuntu-latest)	25s
test (3.2 / ubuntu-latest)	25s
test (3.3 / windows-latest)	1m 3s
test (3.4 / ubuntu-latest)	24s
test (2.7 / macos-latest)	6h 0m 15s
test (3.4 / macos-latest)	26s
test (3.2 / windows-latest)	57s
test (3.3 / macos-latest)	29s
test (head / macos-latest)	27s
test (head / windows-latest)	1m 2s
test (3.4 / windows-latest)	1m 1s
test (head / ubuntu-latest)	24s
	1d 12h 12m 34s

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