Reorder Dockerfile for reduced rebuilding (#358)

docker/Dockerfile-arm64

@@ -27,10 +27,8 @@ RUN git clone https://github.com/ultralytics/ultralytics /usr/src/ultralytics
 COPY requirements.txt .
 RUN python3 -m pip install --upgrade pip wheel
 RUN pip install --no-cache ultralytics gsutil notebook \
-    tensorflow-aarch64
+    tensorflow-aarch64 onnx onnx-simplifier onnxruntime coremltools openvino-dev
     # tensorflowjs \
-    # onnx onnx-simplifier onnxruntime \
-    # coremltools openvino-dev \
 
 # Cleanup
 ENV DEBIAN_FRONTEND teletype