make: Run tests with race detection enabled

Signed-off-by: Danielle Lancashire <dani@builds.terrible.systems>

Makefile

@@ -72,7 +72,7 @@ vet: ## Run go vet against code.
 
 .PHONY: test
 test: manifests generate fmt vet envtest ## Run tests.
-	KUBEBUILDER_ASSETS="$(shell $(ENVTEST) use $(ENVTEST_K8S_VERSION) --bin-dir $(LOCALBIN) -p path)" go test ./... -coverprofile cover.out
+	KUBEBUILDER_ASSETS="$(shell $(ENVTEST) use $(ENVTEST_K8S_VERSION) --bin-dir $(LOCALBIN) -p path)" go test -race ./... -coverprofile cover.out
 
 GOLANGCI_LINT = $(shell pwd)/bin/golangci-lint
 GOLANGCI_LINT_VERSION ?= v1.54.2