Install all tools using the same macro

controller-tools and envtest were installed in a different way than
other tools for no good reason. Fix this.

Makefile

@@ -493,12 +493,12 @@ kind: ## Download kind locally if necessary.
 .PHONY: controller-gen
 controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessary.
 $(CONTROLLER_GEN): $(LOCALBIN)
-	@test -s $(LOCALBIN)/controller-gen && $(LOCALBIN)/controller-gen --version | grep -q $(CONTROLLER_TOOLS_VERSION) || GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_TOOLS_VERSION)
+	$(call go-get-tool,$(CONTROLLER_GEN), sigs.k8s.io/controller-tools/cmd/controller-gen,$(CONTROLLER_TOOLS_VERSION))
 
 .PHONY: envtest
 envtest: $(ENVTEST) ## Download envtest-setup locally if necessary.
 $(ENVTEST): $(LOCALBIN)
-	@test -s $(LOCALBIN)/setup-envtest || GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-runtime/tools/setup-envtest@latest
+	$(call go-get-tool,$(ENVTEST), sigs.k8s.io/controller-runtime/tools/setup-envtest,latest)
 
 CRDOC = $(shell pwd)/bin/crdoc
 .PHONY: crdoc