ASN1#to_der in pure ruby #1116

Job	Run time
openssl-1.0.2u	2m 28s
openssl-1.1.0l	1m 34s
openssl-1.1.1w	2m 6s
ruby-versions / Generate Ruby versions	3s
openssl-3.0.13	2m 51s
openssl-3.1.5	3m 10s
openssl-3.2.1	3m 19s
openssl-3.3.0	3m 23s
libressl-3.1.5	2m 18s
libressl-3.2.7	2m 15s
libressl-3.3.6	2m 45s
libressl-3.4.3	2m 15s
libressl-3.5.3	2m 20s
libressl-3.6.3	2m 23s
libressl-3.7.3	2m 27s
libressl-3.8.4	2m 18s
libressl-3.9.1	2m 10s
openssl-3.0.13 fips	2m 45s
openssl-3.1.5 fips	2m 53s
openssl-3.2.1 fips	3m 46s
openssl-3.3.0 fips	3m 27s
openssl-head	3m 23s
openssl-head fips	3m 17s
openssl-head no-legacy	3m 21s
ubuntu-22.04 2.7	58s
ubuntu-22.04 3.0	54s
ubuntu-22.04 3.1	1m 1s
ubuntu-22.04 3.2	56s
ubuntu-22.04 3.3	1m 1s
ubuntu-22.04 head	1m 1s
ubuntu-22.04 truffleruby	1m 31s
ubuntu-22.04 truffleruby-head	1m 50s
ubuntu-20.04 2.7	1m 1s
ubuntu-20.04 3.0	57s
ubuntu-20.04 3.1	59s
ubuntu-20.04 3.2	1m 3s
ubuntu-20.04 3.3	58s
ubuntu-20.04 head	55s
ubuntu-20.04 truffleruby-head	1m 41s
macos-latest 2.7	48s
macos-latest 3.0	40s
macos-latest 3.1	51s
macos-latest 3.2	38s
macos-latest 3.3	41s
macos-latest head	50s
macos-latest truffleruby-head	1m 15s
windows-latest 2.7	4m 50s
windows-latest 3.0	3m 45s
windows-latest 3.1	3m 55s
windows-latest 3.2	3m 50s
windows-latest 3.3	4m 25s
windows-latest head	3m 59s
windows-latest ucrt	3m 53s
windows-latest mswin	2m 50s
	1h 56m 53s

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