fix: list-images make target

Author: faiq

.gitignore

@@ -47,3 +47,4 @@ node_modules/
 /_artifacts/
 test/e2e/config/caren-envsubst.yaml
 /release-metadata.yaml
+hack/tools/fetch-images/fetch-images

make/addons.mk

@@ -91,7 +91,8 @@ sync-helm-values: ; $(info $(M) syncing helm values from hack to charts)
 
 .PHONY: list-images
 list-images:
-	go run hack/tools/fetch-images/main.go \
-		-chart-directory=./charts/cluster-api-runtime-extensions-nutanix/
+	cd hack/tools/fetch-images && go build
+	./hack/tools/fetch-images/fetch-images \
+		-chart-directory=./charts/cluster-api-runtime-extensions-nutanix/ \
 		-helm-chart-configmap=./charts/cluster-api-runtime-extensions-nutanix/templates/helm-config.yaml \
 		-caren-version=$(CAREN_VERSION) >> caren-images.txt