chore(deps): bump ruby from 3.1.4-alpine to 4.0.0-alpine

Bumps ruby from 3.1.4-alpine to 4.0.0-alpine.

---
updated-dependencies:
- dependency-name: ruby
  dependency-version: 4.0.0-alpine
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

Dockerfile.production

@@ -1,6 +1,6 @@
 FROM surnet/alpine-wkhtmltopdf:3.23.2-0.12.6-small AS wkhtmltopdf
 
-FROM ruby:3.1.4-alpine AS builder
+FROM ruby:4.0.0-alpine AS builder
 
 ENV INSTALL_PATH=/usr/src/app \
     RAILS_ENV=production \
@@ -56,7 +56,7 @@ USER root
 RUN rm -rf ${INSTALL_PATH}/node_modules ${INSTALL_PATH}/tmp/*
 USER dmpuser
 
-FROM ruby:3.1.4-alpine AS app
+FROM ruby:4.0.0-alpine AS app
 
 ENV INSTALL_PATH=/usr/src/app