Chore: fix controller-gen in makefile

Author: charlie0129

manager.mk

@@ -67,4 +67,4 @@ CONTROLLER_GEN ?= $(LOCALBIN)/controller-gen
 CONTROLLER_TOOLS_VERSION ?= v0.9.0
 
 controller-gen: $(LOCALBIN)
-	[ ! -f $(CONTROLLER_GEN) ] || GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_TOOLS_VERSION)
+	[ -f $(CONTROLLER_GEN) ] || GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_TOOLS_VERSION)