Drop back to ruby 3.3.9 until ruby/setup-ruby#819 lands.

Author: bamnet

.devcontainer/Dockerfile

@@ -1,3 +1,3 @@
 # Make sure RUBY_VERSION matches the Ruby version in .ruby-version
-ARG RUBY_VERSION=3.3.10
+ARG RUBY_VERSION=3.3.9
 FROM ghcr.io/rails/devcontainer/images/ruby:$RUBY_VERSION

.ruby-version

@@ -1 +1 @@
-3.3.10
+3.3.9

Dockerfile

@@ -8,7 +8,7 @@
 # For a containerized dev environment, see Dev Containers: https://guides.rubyonrails.org/getting_started_with_devcontainer.html
 
 # Make sure RUBY_VERSION matches the Ruby version in .ruby-version
-ARG RUBY_VERSION=3.3.10
+ARG RUBY_VERSION=3.3.9
 FROM docker.io/library/ruby:$RUBY_VERSION-slim AS base
 
 # Rails app lives here

config/deploy.yml

@@ -87,7 +87,7 @@ builder:
   #
   # # Pass arguments and secrets to the Docker build process
   # args:
-  #   RUBY_VERSION: 3.3.10
+  #   RUBY_VERSION: 3.3.9
   # secrets:
   #   - GITHUB_TOKEN
   #   - RAILS_MASTER_KEY