Repository navigation

docs: remove Go Report Card badge from README (#3394) #461

Job	Run time
Release Gate	20s
test / Test (main-module)	5m 10s
test / Test (controlplane)	8m 38s
test / Test (cli)	3m 23s
test / Test (artifact-cas)	1m 28s
Release CLI and control-plane/artifact-cas container images	23m 3s
	42m 2s