Make "rake debug" protective for a Ruby OpenSSL loading error. #1133

Job	Run time
openssl-1.0.2u	2m 28s
openssl-1.1.0l	1m 29s
openssl-1.1.1w	1m 40s
openssl-3.0.14	2m 51s
openssl-3.1.6	2m 52s
openssl-3.2.2	3m 16s
openssl-3.3.1	3m 29s
libressl-3.1.5	2m 8s
libressl-3.2.7	2m 13s
libressl-3.3.6	2m 15s
libressl-3.4.3	2m 12s
libressl-3.5.3	2m 14s
libressl-3.6.3	2m 14s
libressl-3.7.3	2m 19s
libressl-3.8.4	2m 13s
libressl-3.9.2	2m 12s
openssl-3.0.14 fips	2m 42s
openssl-3.1.6 fips	2m 51s
openssl-3.2.2 fips	3m 11s
openssl-3.3.1 fips	3m 18s
openssl-head	3m 25s
openssl-head fips	3m 19s
openssl-head no-legacy	3m 30s
ruby-versions / Generate Ruby versions	2s
ubuntu-22.04 2.7	1m 2s
ubuntu-22.04 3.0	51s
ubuntu-22.04 3.1	56s
ubuntu-22.04 3.2	1m 3s
ubuntu-22.04 3.3	1m 0s
ubuntu-22.04 head	59s
ubuntu-22.04 truffleruby	1m 35s
ubuntu-22.04 truffleruby-head	1m 48s
ubuntu-20.04 2.7	58s
ubuntu-20.04 3.0	55s
ubuntu-20.04 3.1	1m 1s
ubuntu-20.04 3.2	1m 0s
ubuntu-20.04 3.3	54s
ubuntu-20.04 head	59s
ubuntu-20.04 truffleruby-head	1m 42s
macos-latest 2.7	55s
macos-latest 3.0	44s
macos-latest 3.1	40s
macos-latest 3.2	40s
macos-latest 3.3	39s
macos-latest head	45s
macos-latest truffleruby-head	1m 6s
windows-latest 2.7	6m 3s
windows-latest 3.0	3m 58s
windows-latest 3.1	3m 45s
windows-latest 3.2	4m 9s
windows-latest 3.3	4m 58s
windows-latest head	4m 5s
windows-latest ucrt	4m 5s
windows-latest mswin	3m 4s
	1h 56m 42s

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