Gerrit Review MCP Server

--- "gerrit-review-mcp": patch --- Migrate Docker integration tests from subprocess to testcontainers-python **Core Migration:** - Replace subprocess-based Docker commands with the Testcontainers for Python library - Add testcontainers>=3.7.0 dependency for improved container lifecycle management - Implement function-scoped fixtures with automatic cleanup via context managers - Improve cross-platform compatibility by removing Linux-specific timeout dependency **Testing Enhancements:** - Add comprehensive health checks using wait_for_logs() with configurable timeouts - Implement a robust Docker daemon availability check using docker ping instead of file detection - Use command arrays for container exec operations with proper exit-code validation - Add fallback strategies for container environment validation and error handling **Code Quality & Configuration:** - Replace deprecated pkg_resources with modern importlib.metadata for version checking - Enhance requests version parsing using a PEP 440–aware strategy (packaging.version) with a regex fallback - Fix packaging configuration to exclude non-runtime files from wheel distribution - Add pytest configuration and comprehensive testing documentation - Update .gitignore to exclude coverage files and AI assistant rules directory