feat: use py312 (#8832)

docker/Dockerfile

@@ -12,6 +12,15 @@ ENV DEBIAN_FRONTEND=noninteractive \
 ENV PATH="${PATH}:/usr/local/nvidia/bin" \
     LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:/usr/local/nvidia/lib:/usr/local/nvidia/lib64"
 
+RUN apt update && apt install wget -y && apt install software-properties-common -y \
+ && add-apt-repository ppa:deadsnakes/ppa -y \
+ && apt install python3.12-full -y \
+ && update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.10 1 \
+ && update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.12 2 \
+ && update-alternatives --set python3 /usr/bin/python3.12 \
+ && wget https://bootstrap.pypa.io/get-pip.py \
+ && python3 get-pip.py
+
 # Set timezone and install all packages
 RUN echo 'tzdata tzdata/Areas select America' | debconf-set-selections \
  && echo 'tzdata tzdata/Zones/America select Los_Angeles' | debconf-set-selections \