Increase kubebuilder control plane timeout

- issue addressing CI failures kubernetes-sigs/kubebuilder#628
- we saw these faiures here https://pcf-rabbitmq.ci.cf-app.com/teams/main/pipelines/rmq-k8s/jobs/build-operator/builds/4

[#163365000]

Co-authored-by: Michal Kuratczyk <mkuratczyk@pivotal.io>

Makefile

@@ -130,7 +130,7 @@ test_env: ## Set shell environment required to run tests - eval "$(make test_env
 
 .PHONY: test
 test: generate kubebuilder ## Run tests
-	go test ./pkg/... ./cmd/... -coverprofile cover.out
+	KUBEBUILDER_CONTROL_PLANE_START_TIMEOUT=60s go test ./pkg/... ./cmd/... -coverprofile cover.out
 
 $(OPERATOR_BIN): generate fmt vet test manifests tmp ## Build operator binary
 	CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -o $(OPERATOR_BIN) github.com/pivotal/rabbitmq-for-kubernetes/cmd/operator