ASN1#to_der in pure ruby #1115

Job	Run time
openssl-1.0.2u	2m 34s
openssl-1.1.0l	1m 31s
openssl-1.1.1w	1m 43s
openssl-3.0.13	2m 50s
openssl-3.1.5	2m 57s
openssl-3.2.1	3m 14s
openssl-3.3.0	3m 25s
libressl-3.1.5	2m 7s
libressl-3.2.7	2m 11s
libressl-3.3.6	2m 16s
libressl-3.4.3	2m 23s
libressl-3.5.3	2m 18s
libressl-3.6.3	2m 16s
libressl-3.7.3	2m 27s
libressl-3.8.4	3m 13s
libressl-3.9.1	2m 6s
openssl-3.0.13 fips	2m 48s
openssl-3.1.5 fips	2m 48s
openssl-3.2.1 fips	3m 10s
openssl-3.3.0 fips	3m 18s
openssl-head	3m 20s
openssl-head fips	3m 20s
openssl-head no-legacy	3m 36s
ruby-versions / Generate Ruby versions	2s
ubuntu-22.04 2.7	40s
ubuntu-22.04 3.0	53s
ubuntu-22.04 3.1	59s
ubuntu-22.04 3.2	1m 3s
ubuntu-22.04 3.3	1m 3s
ubuntu-22.04 head	57s
ubuntu-22.04 truffleruby	1m 36s
ubuntu-22.04 truffleruby-head	1m 45s
ubuntu-20.04 2.7	39s
ubuntu-20.04 3.0	53s
ubuntu-20.04 3.1	57s
ubuntu-20.04 3.2	56s
ubuntu-20.04 3.3	58s
ubuntu-20.04 head	56s
ubuntu-20.04 truffleruby-head	1m 36s
macos-latest 2.7	39s
macos-latest 3.0	39s
macos-latest 3.1	43s
macos-latest 3.2	45s
macos-latest 3.3	55s
macos-latest head	43s
macos-latest truffleruby-head	1m 6s
windows-latest 2.7	4m 47s
windows-latest 3.0	4m 10s
windows-latest 3.1	3m 55s
windows-latest 3.2	8m 43s
windows-latest 3.3	5m 5s
windows-latest head	3m 44s
windows-latest ucrt	4m 29s
windows-latest mswin	3m 29s
	2h 1m 36s

Provide feedback