ci: switch to goreleaser for publishing release #131

Job	Run time
Set Version from git ref	1s
Binaries	9s
Docker Images (curl)	1m 7s
Demo Docker Images (bookbuyer)	53s
Docker Images (sidecar-init)	1m 7s
Docker Images (controller)	1m 6s
Demo Docker Images (bookthief)	53s
Docker Images (injector)	1m 7s
Demo Docker Images (bookstore)	54s
Docker Images (connector)	1m 5s
Demo Docker Images (bookwarehouse)	54s
Docker Images (crds)	1m 7s
Demo Docker Images (tcp-echo-server)	52s
Docker Images (bootstrap)	1m 7s
Demo Docker Images (tcp-client)	52s
Docker Images (preinstall)	1m 7s
Docker Images (healthcheck)	1m 7s
Docker Images (interceptor)	1m 6s
Docker Images (ingress)	1m 6s
Docker Images (gateway)	1m 5s
	18m 45s

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