CPBR-3041 replace docker compose with official docker sdk

[Hrithik Kulkarni (hk10111)]

Change Description

Replaced docker-compose with a utility based on docker official's sdk for python

Testing

Tested with existing tests under test_docker_utils.py
cub and dub do not use the docker_utils so no impact on cub/dub
tested docker utils by using them in base image and running integration tests: https://semaphore.ci.confluent.io/workflows/dd6d367d-c356-4785-af8c-66973ef6d3fb/summary?pipeline_id=791ce31f-24f7-46f4-8503-b220f5b21c61

[Copilot]

Pull Request Overview

This PR replaces the deprecated docker-compose Python library with the official Docker SDK, providing a modern implementation that maintains compatibility with Python 3.10+ while preserving the existing TestCluster interface.

• Implements a complete replacement for docker-compose functionality using Docker SDK
• Maintains backward compatibility with existing TestCluster interface
• Updates all Docker API calls to use the modern Docker SDK patterns

Reviewed Changes

Copilot reviewed 2 out of 3 changed files in this pull request and generated 4 comments.

File	Description
confluent/docker_utils/compose_replacement.py	New module implementing docker-compose functionality using Docker SDK with classes for config parsing, container management, and project orchestration
confluent/docker_utils/init.py	Updates imports and refactors existing functions to use Docker SDK instead of deprecated compose library

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