checkout v3 to v4

change user in action from org to personal

ci(workflows): update deployment workflow for Hugging Face sync and simplify steps

ci(workflows): set UV_SYSTEM_PYTHON environment variable in deployment workflow

ci(workflows): update deployment workflow to use actions/checkout@v4 and install uv

chore(workflows): simplify Hugging Face CLI installation in deployment workflow

chore(workflows): update pip install command for huggingface_hub

ci(workflows): add pull_request_target event to deployment workflow

chore(docker): remove Dockerfile and related configurations

feat: add openEHR to FHIR Questionnaire Converter with Gradio interface, Docker support, and comprehensive documentation