Add infrastructure for supporting multiple token slots per unlock method #3083

Job	Run time
checks_with_tang_should_fail (TANG_URL=localhost make -f Makefile test-clevis-loop-should-fail, 1...	3m 48s
checks_with_udev (RUST_LOG=stratisd=debug make -f Makefile test-loop, 1.83.0, cargo)	38m 17s
checks (make -f Makefile clippy, 1.83.0, clippy)	2m 19s
checks (PROFILEDIR=debug make -f Makefile build, 1.83.0, cargo)	1m 31s
checks (PROFILEDIR=debug make -f Makefile build-test-extras, 1.83.0, cargo)	1m 16s
checks (PROFILEDIR=debug make -f Makefile build-min, 1.83.0, cargo)	1m 32s
checks (PROFILEDIR=debug make -f Makefile build-min-no-systemd, 1.83.0, cargo)	1m 15s
checks (PROFILEDIR=debug make -f Makefile build-utils, 1.83.0, cargo)	1m 16s
checks (PROFILEDIR=debug make -f Makefile build-no-ipc, 1.83.0, cargo)	1m 29s
checks (PROFILEDIR=debug make -f Makefile stratisd-tools, 1.83.0, cargo)	1m 17s
checks (make -f Makefile docs-ci, 1.83.0, cargo)	1m 18s
checks (make -f Makefile test, 1.83.0, cargo)	1m 42s
checks (make -f Makefile build, 1.83.0, cargo)	1m 55s
checks (make -f Makefile build-test-extras, 1.83.0, cargo)	1m 39s
checks (make -f Makefile build-min, 1.83.0, cargo)	1m 54s
checks (make -f Makefile build-no-ipc, 1.83.0, cargo)	1m 43s
	1h 4m 11s

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