Bump node from 20.3.1-alpine to 20.5.0-alpine

Bumps node from 20.3.1-alpine to 20.5.0-alpine.

---
updated-dependencies:
- dependency-name: node
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Dockerfile

@@ -1,5 +1,5 @@
 # Stage 1: Build frontend assets.
-FROM node:20.3.1-alpine as frontend-build
+FROM node:20.5.0-alpine as frontend-build
 
 ENV NODE_ENV production
 COPY .babelrc rollup.config.mjs tailwind.config.mjs gulpfile.mjs package.json yarn.lock ./