edit variable usage in curl

Jenkinsfile

@@ -72,7 +72,7 @@ pipeline {
                         ssh root@${REMOTE_AGENT} "echo ${DOCKER_HUB_CRED_PSW} | docker login -u ${DOCKER_HUB_CRED_USR} --password-stdin"
                         ssh root@${REMOTE_AGENT} "curl -L -X GET 'http://${NEXUS_URL}/service/rest/v1/search/assets/download?sort=version&repository=${NEXUS_REPOSITORY}&maven.groupId=com.example&maven.artifactId=${PROJECT_NAME}&maven.extension=jar' \
                          -H 'accept: application/json' \
-                         --output /artifact/{IMAGE_NAME}.jar"
+                         --output /artifact/${IMAGE_NAME}.jar"
                         ssh root@${REMOTE_AGENT} "docker build -t jsteinberg2/${IMAGE_NAME}:latest /artifact && docker push jsteinberg2/${IMAGE_NAME}:latest"
                         ssh root@${REMOTE_AGENT} "helm uninstall ${IMAGE_NAME} || sleep 1; sleep 30; helm install ${IMAGE_NAME} /artifact/helm/${IMAGE_NAME} --values /artifact/helm/${IMAGE_NAME}/values.yaml"