ASN1#to_der in pure ruby #1132

Job	Run time
openssl-1.0.2u	2m 23s
openssl-1.1.0l	1m 31s
openssl-1.1.1w	1m 47s
openssl-3.0.14	2m 50s
openssl-3.1.6	2m 52s
openssl-3.2.2	3m 14s
openssl-3.3.1	3m 22s
libressl-3.1.5	2m 6s
libressl-3.2.7	2m 15s
libressl-3.3.6	2m 16s
libressl-3.4.3	2m 17s
libressl-3.5.3	2m 18s
libressl-3.6.3	2m 15s
libressl-3.7.3	2m 19s
libressl-3.8.4	2m 10s
libressl-3.9.2	2m 12s
openssl-3.0.14 fips	2m 42s
openssl-3.1.6 fips	2m 49s
openssl-3.2.2 fips	3m 17s
openssl-3.3.1 fips	3m 13s
openssl-head	3m 23s
openssl-head fips	3m 19s
openssl-head no-legacy	3m 18s
ruby-versions / Generate Ruby versions	3s
ubuntu-22.04 2.7	1m 0s
ubuntu-22.04 3.0	55s
ubuntu-22.04 3.1	1m 0s
ubuntu-22.04 3.2	1m 2s
ubuntu-22.04 3.3	58s
ubuntu-22.04 head	1m 3s
ubuntu-22.04 truffleruby	1m 32s
ubuntu-22.04 truffleruby-head	2m 3s
ubuntu-20.04 2.7	58s
ubuntu-20.04 3.0	58s
ubuntu-20.04 3.1	1m 3s
ubuntu-20.04 3.2	55s
ubuntu-20.04 3.3	58s
ubuntu-20.04 head	59s
ubuntu-20.04 truffleruby-head	1m 43s
macos-latest 2.7	54s
macos-latest 3.0	46s
macos-latest 3.1	39s
macos-latest 3.2	44s
macos-latest 3.3	52s
macos-latest head	40s
macos-latest truffleruby-head	58s
windows-latest 2.7	6m 26s
windows-latest 3.0	3m 45s
windows-latest 3.1	3m 55s
windows-latest 3.2	5m 1s
windows-latest 3.3	5m 15s
windows-latest head	4m 12s
windows-latest ucrt	3m 33s
windows-latest mswin	2m 37s
	1h 57m 35s

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