Feat: Redis support for keyshare server and myirmaserver (with failover support) #649

Job	Run time
docker-build	38s
test	6m 42s
build (linux, amd64)	33s
lint	55s
build (linux, 386)	31s
build (linux, arm)	36s
build (linux, arm64)	37s
build (darwin, amd64)	33s
build (darwin, arm64)	35s
build (windows, amd64)	38s
build (windows, 386)	33s
build (windows, arm)	34s
build (windows, arm64)	32s
analyze	2m 12s
integration-test-clientside (v0.13.2)	2m 7s
integration-test-serverside (f0023141ec429d912e329665f937d05b178a3fee)	2m 6s
	20m 22s

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