🔒️ Backport #160: Fix for Digest MD5 bad challenges #563

Job	Run time
ruby-versions / Generate Ruby versions	2s
build (2.6 / ubuntu-latest)	1m 5s
build (2.6 / macos-latest)	5m 20s
build (2.7 / ubuntu-latest)	1m 12s
build (2.7 / macos-latest)	1m 30s
build (3.0 / ubuntu-latest)	33s
build (3.0 / macos-latest)	58s
build (3.1 / ubuntu-latest)	43s
build (3.1 / macos-latest)	1m 0s
build (3.2 / ubuntu-latest)	26s
build (3.2 / macos-latest)	46s
build (head / ubuntu-latest)	29s
build (head / macos-latest)	51s
	14m 55s

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