ASN1#to_der in pure ruby #1129

Job	Run time
openssl-1.0.2u	2m 22s
openssl-1.1.0l	1m 35s
openssl-1.1.1w	1m 44s
openssl-3.0.14	2m 51s
openssl-3.1.6	2m 56s
openssl-3.2.2	3m 19s
openssl-3.3.1	3m 22s
libressl-3.1.5	2m 8s
libressl-3.2.7	2m 14s
libressl-3.3.6	2m 13s
libressl-3.4.3	2m 16s
libressl-3.5.3	2m 28s
libressl-3.6.3	2m 16s
libressl-3.7.3	2m 19s
libressl-3.8.4	2m 11s
libressl-3.9.2	2m 14s
openssl-3.0.14 fips	2m 45s
openssl-3.1.6 fips	2m 45s
openssl-3.2.2 fips	3m 9s
openssl-3.3.1 fips	3m 20s
openssl-head	3m 25s
openssl-head fips	3m 19s
openssl-head no-legacy	3m 28s
ruby-versions / Generate Ruby versions	2s
ubuntu-22.04 2.7	59s
ubuntu-22.04 3.0	53s
ubuntu-22.04 3.1	59s
ubuntu-22.04 3.2	59s
ubuntu-22.04 3.3	1m 2s
ubuntu-22.04 head	1m 5s
ubuntu-22.04 truffleruby	1m 39s
ubuntu-22.04 truffleruby-head	1m 47s
ubuntu-20.04 2.7	1m 1s
ubuntu-20.04 3.0	59s
ubuntu-20.04 3.1	53s
ubuntu-20.04 3.2	1m 0s
ubuntu-20.04 3.3	1m 1s
ubuntu-20.04 head	55s
ubuntu-20.04 truffleruby-head	1m 42s
macos-latest 2.7	49s
macos-latest 3.0	35s
macos-latest 3.1	47s
macos-latest 3.2	47s
macos-latest 3.3	43s
macos-latest head	46s
macos-latest truffleruby-head	1m 15s
windows-latest 2.7	4m 43s
windows-latest 3.0	4m 3s
windows-latest 3.1	4m 27s
windows-latest 3.2	3m 53s
windows-latest 3.3	5m 32s
windows-latest head	3m 58s
windows-latest ucrt	4m 13s
windows-latest mswin	2m 27s
	1h 56m 33s

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