Revert "chore(deps): bump node from 18-alpine to 25-alpine in /src/server/ui (#152)"

This reverts commit c99c5f2.

Author: GenerQAQ

src/server/ui/Dockerfile

@@ -1,7 +1,7 @@
 
 # syntax=docker.io/docker/dockerfile:1
 
-FROM node:25-alpine AS base
+FROM node:18-alpine AS base
 
 # Install dependencies only when needed
 FROM base AS deps