Feat: Redis support for keyshare server and myirmaserver (with failover support) #651

Job	Run time
test	6m 42s
lint	1m 3s
docker-build	39s
build (linux, amd64)	34s
build (linux, 386)	35s
build (linux, arm)	38s
build (linux, arm64)	32s
build (darwin, amd64)	32s
build (darwin, arm64)	35s
build (windows, amd64)	38s
build (windows, 386)	32s
build (windows, arm)	40s
build (windows, arm64)	39s
integration-test-serverside (f0023141ec429d912e329665f937d05b178a3fee)	2m 2s
integration-test-clientside (v0.13.2)	2m 8s
analyze	2m 12s
	20m 41s

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