chore: prepare release v1.2.9 #150

Job	Run time
Set Version from git ref	1s
Binaries	7m 17s
Demo Docker Images (bookbuyer)	2m 8s
Docker Images (curl)	1m 33s
Demo Docker Images (bookthief)	1m 59s
Docker Images (sidecar-init)	1m 37s
Demo Docker Images (bookstore)	2m 10s
Docker Images (controller)	5m 1s
Demo Docker Images (bookwarehouse)	2m 0s
Docker Images (injector)	4m 23s
Demo Docker Images (tcp-echo-server)	1m 26s
Docker Images (connector)	4m 28s
Demo Docker Images (tcp-client)	1m 31s
Docker Images (crds)	1m 56s
Docker Images (bootstrap)	4m 7s
Docker Images (preinstall)	3m 6s
Docker Images (healthcheck)	3m 6s
Docker Images (interceptor)	4m 53s
Docker Images (ingress)	4m 22s
Docker Images (gateway)	4m 32s
	1h 1m 36s

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