Bump node from 23.3-alpine to 23.4-alpine

Bumps node from 23.3-alpine to 23.4-alpine.

---
updated-dependencies:
- dependency-name: node
  dependency-type: direct:production
...

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

Dockerfile

@@ -1,4 +1,4 @@
-FROM node:23.3-alpine as node
+FROM node:23.4-alpine as node
 COPY . /blog
 RUN cd /blog && \
     npm ci && \