Merge #344: upgrade the production and exporter runtimes to Ruby 4.0.7

.ruby-version

@@ -1 +1 @@
-3.4.10
+4.0.7

Dockerfile

@@ -1,7 +1,7 @@
 # syntax = docker/dockerfile:1
 
 # Make sure it matches the Ruby version in .ruby-version and Gemfile
-ARG RUBY_VERSION=3.4.10
+ARG RUBY_VERSION=4.0.7
 FROM docker.io/library/ruby:$RUBY_VERSION-slim AS base
 
 # Rails app lives here

Dockerfile-export

@@ -1,7 +1,7 @@
 # syntax = docker/dockerfile:1
 
 # Make sure it matches the Ruby version in .ruby-version and Gemfile
-ARG RUBY_VERSION=3.4.10
+ARG RUBY_VERSION=4.0.7
 FROM ruby:$RUBY_VERSION-slim as base
 
 # Install the tools we need