build(deps): bump node from 22-alpine to 25-alpine

Bumps node from 22-alpine to 25-alpine.

---
updated-dependencies:
- dependency-name: node
  dependency-version: 25-alpine
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Dockerfile

@@ -1,4 +1,4 @@
-FROM node:24 AS build
+FROM node:25 AS build
 
 RUN mkdir /zeppelin
 RUN chown node:node /zeppelin
@@ -37,7 +37,7 @@ RUN CI=true pnpm install --prod
 
 # --- Main image ---
 
-FROM node:24-alpine AS main
+FROM node:25-alpine AS main
 
 RUN npm install -g pnpm@10.19.0