add phony to new makefile target

Makefile

@@ -297,6 +297,7 @@ integration-none-driver: e2e-linux-$(GOARCH) out/minikube-linux-$(GOARCH)  ## Tr
 integration-versioned: out/minikube ## Trigger minikube integration testing, logs to ./out/testout_COMMIT.txt
 	go test -ldflags="${MINIKUBE_LDFLAGS}" -v -test.timeout=90m $(INTEGRATION_TESTS_TO_RUN) --tags="$(MINIKUBE_INTEGRATION_BUILD_TAGS) versioned" $(TEST_ARGS) 2>&1 | tee "./out/testout_$(COMMIT_SHORT).txt"
 
+.PHONY: functional
 functional: integration-functional-only
 
 .PHONY: integration-functional-only