Add more methods to `SocketForwarder`. #921

Job	Run time
openssl-1.0.2u	2m 27s
openssl-1.1.0l	1m 31s
openssl-1.1.1w	1m 39s
openssl-3.0.12	2m 53s
openssl-3.1.4	2m 55s
ruby-versions / Generate Ruby versions	2s
openssl-3.2.0	3m 30s
libressl-3.1.5	2m 3s
libressl-3.2.7	2m 13s
libressl-3.3.6	2m 13s
libressl-3.4.3	2m 25s
libressl-3.5.3	2m 14s
libressl-3.6.3	2m 15s
libressl-3.7.3	2m 16s
libressl-3.8.1	2m 16s
openssl-3.0.12 fips	2m 48s
openssl-3.1.4 fips	2m 46s
openssl-3.2.0 fips	3m 22s
openssl-head	3m 15s
openssl-head fips	3m 17s
ubuntu-22.04 2.7	59s
ubuntu-22.04 3.0	54s
ubuntu-22.04 3.1	59s
ubuntu-22.04 3.2	57s
ubuntu-22.04 3.3	53s
ubuntu-22.04 head	55s
ubuntu-22.04 truffleruby	1m 28s
ubuntu-22.04 truffleruby-head	1m 34s
ubuntu-20.04 2.7	53s
ubuntu-20.04 3.0	52s
ubuntu-20.04 3.1	53s
ubuntu-20.04 3.2	53s
ubuntu-20.04 3.3	51s
ubuntu-20.04 head	48s
ubuntu-20.04 truffleruby-head	1m 33s
macos-latest 2.7	1m 18s
macos-latest 3.0	3m 39s
macos-latest 3.1	1m 24s
macos-latest 3.2	1m 24s
macos-latest 3.3	1m 34s
macos-latest head	1m 43s
macos-latest truffleruby-head	2m 24s
windows-latest 2.7	4m 20s
windows-latest 3.0	3m 36s
windows-latest 3.1	4m 7s
windows-latest 3.2	4m 2s
windows-latest 3.3	5m 8s
windows-latest ucrt	3m 46s
windows-latest mswin	2m 45s
	1h 44m 52s

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