ASN1#to_der in pure ruby #1114

Job	Run time
openssl-1.0.2u	6m 27s
openssl-1.1.0l	1m 30s
openssl-1.1.1w	1m 50s
openssl-3.0.13	2m 53s
openssl-3.1.5	3m 6s
ruby-versions / Generate Ruby versions	2s
openssl-3.2.1	3m 19s
openssl-3.3.0	3m 20s
libressl-3.1.5	2m 4s
libressl-3.2.7	2m 15s
libressl-3.3.6	2m 13s
libressl-3.4.3	2m 15s
libressl-3.5.3	2m 17s
libressl-3.6.3	2m 19s
libressl-3.7.3	2m 19s
libressl-3.8.4	2m 13s
libressl-3.9.1	2m 8s
openssl-3.0.13 fips	2m 46s
openssl-3.1.5 fips	2m 49s
openssl-3.2.1 fips	3m 9s
openssl-3.3.0 fips	3m 16s
openssl-head	3m 27s
openssl-head fips	3m 17s
openssl-head no-legacy	3m 22s
ubuntu-22.04 2.7	48s
ubuntu-22.04 3.0	54s
ubuntu-22.04 3.1	1m 1s
ubuntu-22.04 3.2	1m 4s
ubuntu-22.04 3.3	56s
ubuntu-22.04 head	59s
ubuntu-22.04 truffleruby	1m 32s
ubuntu-22.04 truffleruby-head	1m 38s
ubuntu-20.04 2.7	39s
ubuntu-20.04 3.0	54s
ubuntu-20.04 3.1	53s
ubuntu-20.04 3.2	1m 0s
ubuntu-20.04 3.3	54s
ubuntu-20.04 head	54s
ubuntu-20.04 truffleruby-head	1m 39s
macos-latest 2.7	51s
macos-latest 3.0	37s
macos-latest 3.1	44s
macos-latest 3.2	52s
macos-latest 3.3	51s
macos-latest head	51s
macos-latest truffleruby-head	1m 23s
windows-latest 2.7	3m 54s
windows-latest 3.0	4m 1s
windows-latest 3.1	3m 52s
windows-latest 3.2	3m 57s
windows-latest 3.3	5m 8s
windows-latest head	7m 7s
windows-latest ucrt	3m 41s
windows-latest mswin	2m 39s
	2h 0m 49s

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