[fix] SPKI#sign NPE due missing ASN1 registry fallback #372

Job	Run time
maven-test (jruby-9.4.14.0, 25, temurin)	2m 50s
maven-test (24, zulu, jruby-10.0.1.0)	3m 1s
maven-test (21, corretto, jruby-head)	2m 40s
maven-test (11, zulu, jruby-9.4.5.0)	2m 59s
maven-test (21, oracle, jruby-9.4.8.0)	2m 33s
maven-test (11, temurin, jruby-9.2.20.1)	2m 59s
maven-test (jruby-9.4.14.0, 11, temurin)	2m 52s
maven-test (jruby-9.4.14.0, 21, temurin)	3m 2s
maven-test (jruby-9.4.14.0, 8, temurin)	2m 27s
maven-test (21, temurin, jruby-10.0.4.0)	3m 0s
maven-test (21, oracle, jruby-9.3.13.0)	2m 45s
maven-test (8, temurin, jruby-9.2.19.0)	3m 1s
maven-test (25, temurin, jruby-10.0.3.0)	2m 47s
maven-test (8, temurin, jruby-9.3.3.0)	2m 38s
maven-test (11, temurin, jruby-9.3.13.0)	2m 26s
	42m 0s

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