fix: Update NPM to address security vulnerability (#15968)

Author: shortstacked

docker/images/n8n/Dockerfile

@@ -65,6 +65,9 @@ RUN \
 	mkdir .n8n && \
 	chown node:node .n8n
 
+# Install npm 11.4.1 to fix the vulnerable cross-spawn dependency
+RUN npm install -g [email protected]
+
 ENV SHELL /bin/sh
 USER node
 ENTRYPOINT ["tini", "--", "/docker-entrypoint.sh"]