Fix: upgrade onnxruntime to 1.18.1 (supports NumPy 2.x)

Fix: pin numpy<2 for onnxruntime 1.17.1 compatibility

Fix: add build-essential for InsightFace Cython extension

Switch to InsightFace+ONNX — no compilation needed

Fix: use python:3.10 base image for clean environment

Fix: add face_recognition_models package

Fix: install numpy and pillow via conda to avoid compilation

Fix: use conda pre-built dlib to speed up build

Add FastAPI facial recognition backend