Feat: Redis support for keyshare server and myirmaserver (with failover support) #682

Job	Run time
docker-build	40s
lint	1m 5s
build (linux, amd64)	36s
test	6m 38s
build (linux, 386)	35s
build (linux, arm)	37s
build (linux, arm64)	40s
build (darwin, amd64)	36s
build (darwin, arm64)	47s
build (windows, amd64)	41s
build (windows, 386)	41s
build (windows, arm)	37s
build (windows, arm64)	33s
integration-test-clientside (v0.13.2)	2m 12s
integration-test-serverside (f0023141ec429d912e329665f937d05b178a3fee)	2m 8s
analyze	1m 54s
	21m 0s

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