chore(deps): update actions/setup-go digest to 4a36011 #302

Job	Run time
list-examples	6s
quality-gate	2s
lint	1m 4s
test	1m 48s
docker (resource-broker, Dockerfile)	2m 0s
docker (resource-broker-kcp, contrib/kcp/Dockerfile)	2m 11s
docker (resource-broker-operator, cmd/operator/Dockerfile)	2m 20s
test-e2e	2m 18s
examples (certs)	7m 54s
examples (kcp-certs)	11m 56s
	31m 39s

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