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

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] <[email protected]>

Author: dependabot[bot]

frontend/Dockerfile

@@ -1,4 +1,4 @@
-FROM node:22-alpine@sha256:9bef0ef1e268f60627da9ba7d7605e8831d5b56ad07487d24d1aa386336d1944 AS build
+FROM node:25-alpine@sha256:7e467cc5aa91c87e94f93c4608cf234ca24aac3ec941f7f3db207367ccccdd11 AS build
 
 RUN corepack enable
 COPY package.json pnpm-lock.yaml ./
@@ -7,7 +7,7 @@ COPY . .
 RUN pnpm run build && \
     pnpm prune --prod
 
-FROM node:22-alpine@sha256:9bef0ef1e268f60627da9ba7d7605e8831d5b56ad07487d24d1aa386336d1944
+FROM node:25-alpine@sha256:7e467cc5aa91c87e94f93c4608cf234ca24aac3ec941f7f3db207367ccccdd11
 COPY --from=build node_modules/ node_modules
 COPY --from=build build/ build