Bump ruby from 3.4.7-alpine3.22 to 4.0.1-alpine3.22

Bumps ruby from 3.4.7-alpine3.22 to 4.0.1-alpine3.22.

---
updated-dependencies:
- dependency-name: ruby
  dependency-version: 4.0.1-alpine3.22
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

Dockerfile

@@ -1,4 +1,4 @@
-FROM ruby:3.4.7-alpine3.22 AS base
+FROM ruby:4.0.1-alpine3.22 AS base
 
 ENV APP_HOME=/app
 ENV LANG=C.UTF-8