refactor!: cryptosuite-style signers #3935

Job	Run time
check_skip	1s
build	5m 55s
bundle_cache	41s
cache_imgs	6s
test (16, required)	2m 13s
lint	57s
test (18, required)	1m 57s
test (20, optional)	1m 38s
integration_test (latest, required)	1m 15s
integration_test (latest-develop, optional)	1m 28s
bundle_test (latest, required)	1m 37s
bundle_test (latest-develop, optional)	1m 21s
	19m 9s

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