LITE-28205 fix invalid volume declaration in docker-compose for EaaS project

Author: Francesco Faraone

connect/cli/plugins/project/extension/templates/bootstrap/${project_slug}/docker-compose.yml.j2

@@ -2,7 +2,7 @@ version: '3'
 
 {%- if webapp_supports_ui == 'y'%}
 volumes:
-  node_modules
+  node_modules:
 {%- endif %}
 
 services: