Introduce basic support for `close_read` and `close_write`. #1010

Job	Run time	Billable time
openssl-1.0.2u	2m 31s	0s
openssl-1.1.0l	1m 34s	0s
openssl-1.1.1w	1m 47s	0s
openssl-3.0.13	3m 7s	0s
openssl-3.1.5	2m 54s	0s
ruby-versions / Generate Ruby versions	4s	0s
openssl-3.2.1	3m 11s	0s
libressl-3.1.5	2m 6s	0s
libressl-3.2.7	2m 15s	0s
libressl-3.3.6	2m 15s	0s
libressl-3.4.3	2m 14s	0s
libressl-3.5.3	2m 14s	0s
libressl-3.6.3	2m 15s	0s
libressl-3.7.3	2m 22s	0s
libressl-3.8.2	2m 11s	0s
openssl-3.0.13 fips	3m 1s	0s
openssl-3.1.5 fips	2m 50s	0s
openssl-3.2.1 fips	3m 15s	0s
openssl-head	3m 27s	0s
openssl-head fips	3m 20s	0s
openssl-head no-legacy	3m 32s	0s
ubuntu-22.04 2.7	1m 2s	0s
ubuntu-22.04 3.0	54s	0s
ubuntu-22.04 3.1	1m 2s	0s
ubuntu-22.04 3.2	56s	0s
ubuntu-22.04 3.3	53s	0s
ubuntu-22.04 head	56s	0s
ubuntu-22.04 truffleruby	1m 25s	0s
ubuntu-22.04 truffleruby-head	1m 31s	0s
ubuntu-20.04 2.7	54s	0s
ubuntu-20.04 3.0	53s	0s
ubuntu-20.04 3.1	4m 5s	0s
ubuntu-20.04 3.2	53s	0s
ubuntu-20.04 3.3	51s	0s
ubuntu-20.04 head	51s	0s
ubuntu-20.04 truffleruby-head	1m 25s	0s
macos-latest 2.7	1m 44s	0s
macos-latest 3.0	52s	0s
macos-latest 3.1	57s	0s
macos-latest 3.2	58s	0s
macos-latest 3.3	55s	0s
macos-latest head	56s	0s
macos-latest truffleruby-head	1m 41s	0s
windows-latest 2.7	5m 35s	0s
windows-latest 3.0	4m 11s	0s
windows-latest 3.1	4m 0s	0s
windows-latest 3.2	4m 50s	0s
windows-latest 3.3	4m 47s	0s
windows-latest ucrt	3m 52s	0s
windows-latest mswin	2m 54s	0s
	1h 49m 8s	0s

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