DockerImage for Ruby 3.4.2 on Windows

[poorndm]

Description

This PR adds support for Ruby 3.4.2 on Windows by creating a new Docker image that will be published to the rubydistros Docker Hub registry.

Changes
Added a new Dockerfile for Ruby 3.4.2 on Windows Server (3.4/windows/2019/Dockerfile)
Created a separate build-windows-docker.yml pipeline file specifically for building Windows Docker images
Configured the build to push images with appropriate tags to the rubydistros Docker Hub registry
Implementation Details
The Windows image uses Chocolatey to install Ruby 3.4.2.1 with DevKit
The image includes Git, MSYS2/MinGW, and Bundler for a complete Ruby development environment
The Windows build pipeline is configured to run on Windows agents with Docker support

Related Issue

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Chore (non-breaking change that does not add functionality or fix an issue)

Checklist:

• I have read the CONTRIBUTING document.
• I have run the pre-merge tests locally and they pass.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• If Gemfile.lock has changed, I have used --conservative to do it and included the full output in the Description above.
• All new and existing tests passed.
• All commits have been signed-off for the Developer Certificate of Origin.

[poorndm]

Ref Build : https://buildkite.com/chef/chef-rubydistros-main-build-windows/builds/154

[muthuja]

LGTM