Refactor key selection flow and allow updating keys #89

Job	Run time
build-and-test (20, ubuntu-latest)	34s
build-and-test (22, windows-latest)	1m 28s
build-and-test (20, windows-latest)	2m 48s
build-and-test (24, windows-latest)	1m 27s
build-and-test (22, ubuntu-latest)	38s
build-and-test (24, ubuntu-latest)	35s
	7m 30s

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